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* [PATCH] mm: Move mem_init_print_info() into mm_init()
@ 2021-03-16 14:26 Kefeng Wang
  2021-03-16 14:47 ` Christophe Leroy
                   ` (2 more replies)
  0 siblings, 3 replies; 17+ messages in thread
From: Kefeng Wang @ 2021-03-16 14:26 UTC (permalink / raw)
  To: linux-kernel, Andrew Morton
  Cc: Kefeng Wang, linux-ia64, linux-sh, Peter Zijlstra,
	Catalin Marinas, Dave Hansen, linux-mm, Guo Ren, sparclinux,
	linux-riscv, Jonas Bonn, linux-s390, Yoshinori Sato,
	linux-hexagon, Huacai Chen, Russell King, linux-csky,
	Ingo Molnar, linux-snps-arc, linux-xtensa, Heiko Carstens,
	linux-um, linux-m68k, openrisc, linux-arm-kernel,
	Richard Henderson, linux-parisc, linux-mips, Palmer Dabbelt,
	linux-alpha, linuxppc-dev, David S. Miller

mem_init_print_info() is called in mem_init() on each architecture,
and pass NULL argument, cleanup it by using void argument and move
it into mm_init().

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 arch/alpha/mm/init.c             | 1 -
 arch/arc/mm/init.c               | 1 -
 arch/arm/mm/init.c               | 2 --
 arch/arm64/mm/init.c             | 2 --
 arch/csky/mm/init.c              | 1 -
 arch/h8300/mm/init.c             | 2 --
 arch/hexagon/mm/init.c           | 1 -
 arch/ia64/mm/init.c              | 1 -
 arch/m68k/mm/init.c              | 1 -
 arch/microblaze/mm/init.c        | 1 -
 arch/mips/loongson64/numa.c      | 1 -
 arch/mips/mm/init.c              | 1 -
 arch/mips/sgi-ip27/ip27-memory.c | 1 -
 arch/nds32/mm/init.c             | 1 -
 arch/nios2/mm/init.c             | 1 -
 arch/openrisc/mm/init.c          | 2 --
 arch/parisc/mm/init.c            | 2 --
 arch/powerpc/mm/mem.c            | 1 -
 arch/riscv/mm/init.c             | 1 -
 arch/s390/mm/init.c              | 2 --
 arch/sh/mm/init.c                | 1 -
 arch/sparc/mm/init_32.c          | 2 --
 arch/sparc/mm/init_64.c          | 1 -
 arch/um/kernel/mem.c             | 1 -
 arch/x86/mm/init_32.c            | 2 --
 arch/x86/mm/init_64.c            | 2 --
 arch/xtensa/mm/init.c            | 1 -
 include/linux/mm.h               | 2 +-
 init/main.c                      | 1 +
 mm/page_alloc.c                  | 2 +-
 30 files changed, 3 insertions(+), 38 deletions(-)

diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 3c42b3147fd6..a97650a618f1 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -282,5 +282,4 @@ mem_init(void)
 	set_max_mapnr(max_low_pfn);
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
 	memblock_free_all();
-	mem_init_print_info(NULL);
 }
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index ce07e697916c..33832e36bdb7 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -194,7 +194,6 @@ void __init mem_init(void)
 {
 	memblock_free_all();
 	highmem_init();
-	mem_init_print_info(NULL);
 }
 
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 828a2561b229..7022b7b5c400 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -316,8 +316,6 @@ void __init mem_init(void)
 
 	free_highpages();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can
 	 * be detected at build time already.
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 3685e12aba9b..e8f29a0bb2f1 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -491,8 +491,6 @@ void __init mem_init(void)
 	/* this will put all unused low memory onto the freelists */
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can be
 	 * detected at build time already.
diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index 894050a8ce09..bf2004aa811a 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -107,7 +107,6 @@ void __init mem_init(void)
 			free_highmem_page(page);
 	}
 #endif
-	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 1f3b345d68b9..f7bf4693e3b2 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -98,6 +98,4 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-
-	mem_init_print_info(NULL);
 }
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index f2e6c868e477..f01e91e10d95 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -55,7 +55,6 @@ void __init mem_init(void)
 {
 	/*  No idea where this is actually declared.  Seems to evade LXR.  */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	/*
 	 *  To-Do:  someone somewhere should wipe out the bootmem map
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 16d0d7d22657..83280e2df807 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -659,7 +659,6 @@ mem_init (void)
 	set_max_mapnr(max_low_pfn);
 	high_memory = __va(max_low_pfn * PAGE_SIZE);
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	/*
 	 * For fsyscall entrpoints with no light-weight handler, use the ordinary
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 14c1e541451c..1759ab875d47 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -153,5 +153,4 @@ void __init mem_init(void)
 	/* this will put all memory onto the freelists */
 	memblock_free_all();
 	init_pointer_tables();
-	mem_init_print_info(NULL);
 }
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 05cf1fb3f5ff..ab55c70380a5 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -131,7 +131,6 @@ void __init mem_init(void)
 	highmem_setup();
 #endif
 
-	mem_init_print_info(NULL);
 	mem_init_done = 1;
 }
 
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
index 8315c871c435..fa9b4a487a47 100644
--- a/arch/mips/loongson64/numa.c
+++ b/arch/mips/loongson64/numa.c
@@ -178,7 +178,6 @@ void __init mem_init(void)
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
 	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
 }
 
 /* All PCI device belongs to logical Node-0 */
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 5cb73bf74a8b..c36358758969 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -467,7 +467,6 @@ void __init mem_init(void)
 	memblock_free_all();
 	setup_zero_pages();	/* Setup zeroed pages.  */
 	mem_init_free_highmem();
-	mem_init_print_info(NULL);
 
 #ifdef CONFIG_64BIT
 	if ((unsigned long) &_text > (unsigned long) CKSEG0)
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index 87bb6945ec25..6173684b5aaa 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -420,5 +420,4 @@ void __init mem_init(void)
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
 	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
 }
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index fa86f7b2f416..f63f839738c4 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -191,7 +191,6 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	pr_info("virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 61862dbb0e32..613fcaa5988a 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -71,7 +71,6 @@ void __init mem_init(void)
 
 	/* this will put all memory onto the freelists */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 }
 
 void __init mmu_init(void)
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index bf9b2310fc93..d5641198b90c 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -211,8 +211,6 @@ void __init mem_init(void)
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
-
 	printk("mem_init_done ...........................................\n");
 	mem_init_done = 1;
 	return;
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 9ca4e4ff6895..591a4e939415 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -573,8 +573,6 @@ void __init mem_init(void)
 #endif
 		parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
 
-	mem_init_print_info(NULL);
-
 #if 0
 	/*
 	 * Do not expose the virtual kernel memory layout to userspace.
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 4e8ce6d85232..7e11c4cb08b8 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -312,7 +312,6 @@ void __init mem_init(void)
 		(mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
 #endif
 
-	mem_init_print_info(NULL);
 #ifdef CONFIG_PPC32
 	pr_info("Kernel virtual memory layout:\n");
 #ifdef CONFIG_KASAN
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 7f5036fbee8c..3c5ee3b7d811 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -102,7 +102,6 @@ void __init mem_init(void)
 	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
 	print_vm_layout();
 }
 
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 0e76b2127dc6..8ac710de1ab1 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -209,8 +209,6 @@ void __init mem_init(void)
 	setup_zero_pages();	/* Setup zeroed pages. */
 
 	cmma_init_nodat();
-
-	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 0db6919af8d3..168d7d4dd735 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -359,7 +359,6 @@ void __init mem_init(void)
 
 	vsyscall_init();
 
-	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
 		"    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 6139c5700ccc..1e9f577f084d 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -292,8 +292,6 @@ void __init mem_init(void)
 
 		map_high_region(start_pfn, end_pfn);
 	}
-
-	mem_init_print_info(NULL);
 }
 
 void sparc_flush_page_to_ram(struct page *page)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 182bb7bdaa0a..e454f179cf5d 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2520,7 +2520,6 @@ void __init mem_init(void)
 	}
 	mark_page_reserved(mem_map_zero);
 
-	mem_init_print_info(NULL);
 
 	if (tlb_type == cheetah || tlb_type == cheetah_plus)
 		cheetah_ecache_flush_init();
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 9242dc91d751..9019ff5905b1 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -54,7 +54,6 @@ void __init mem_init(void)
 	memblock_free_all();
 	max_low_pfn = totalram_pages();
 	max_pfn = max_low_pfn;
-	mem_init_print_info(NULL);
 	kmalloc_ok = 1;
 }
 
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index da31c2635ee4..21ffb03f6c72 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -755,8 +755,6 @@ void __init mem_init(void)
 	after_bootmem = 1;
 	x86_init.hyper.init_after_bootmem();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can
 	 * be detected at build time already.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5430c81eefc9..aa8387aab9c1 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1350,8 +1350,6 @@ void __init mem_init(void)
 		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
 
 	preallocate_vmalloc_pages();
-
-	mem_init_print_info(NULL);
 }
 
 #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 2daeba9e454e..6a32b2cf2718 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -119,7 +119,6 @@ void __init mem_init(void)
 
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
 #ifdef CONFIG_KASAN
 		"    kasan   : 0x%08lx - 0x%08lx  (%5lu MB)\n"
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 89314651dd62..c2e0b3495c5a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
 					int poison, const char *s);
 
 extern void adjust_managed_page_count(struct page *page, long count);
-extern void mem_init_print_info(const char *str);
+extern void mem_init_print_info(void);
 
 extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
 
diff --git a/init/main.c b/init/main.c
index 53b278845b88..5581af5b4cb7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -830,6 +830,7 @@ static void __init mm_init(void)
 	report_meminit();
 	stack_depot_init();
 	mem_init();
+	mem_init_print_info();
 	/* page_owner must be initialized after buddy is ready */
 	page_ext_init_flatmem_late();
 	kmem_cache_init();
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 55d938297ce6..e4a6bf69c806 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
 	return pages;
 }
 
-void __init mem_init_print_info(const char *str)
+void __init mem_init_print_info(void)
 {
 	unsigned long physpages, codesize, datasize, rosize, bss_size;
 	unsigned long init_code_size, init_data_size;
-- 
2.26.2


^ permalink raw reply related	[flat|nested] 17+ messages in thread

* Re: [PATCH] mm: Move mem_init_print_info() into mm_init()
  2021-03-16 14:26 [PATCH] mm: Move mem_init_print_info() into mm_init() Kefeng Wang
@ 2021-03-16 14:47 ` Christophe Leroy
  2021-03-16 15:04   ` Kefeng Wang
  2021-03-16 15:29 ` [PATCH RESEND] " Kefeng Wang
  2021-03-16 21:16 ` [PATCH] " Dave Hansen
  2 siblings, 1 reply; 17+ messages in thread
From: Christophe Leroy @ 2021-03-16 14:47 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller



Le 16/03/2021 à 15:26, Kefeng Wang a écrit :
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, cleanup it by using void argument and move
> it into mm_init().
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
>   arch/alpha/mm/init.c             | 1 -
>   arch/arc/mm/init.c               | 1 -
>   arch/arm/mm/init.c               | 2 --
>   arch/arm64/mm/init.c             | 2 --
>   arch/csky/mm/init.c              | 1 -
>   arch/h8300/mm/init.c             | 2 --
>   arch/hexagon/mm/init.c           | 1 -
>   arch/ia64/mm/init.c              | 1 -
>   arch/m68k/mm/init.c              | 1 -
>   arch/microblaze/mm/init.c        | 1 -
>   arch/mips/loongson64/numa.c      | 1 -
>   arch/mips/mm/init.c              | 1 -
>   arch/mips/sgi-ip27/ip27-memory.c | 1 -
>   arch/nds32/mm/init.c             | 1 -
>   arch/nios2/mm/init.c             | 1 -
>   arch/openrisc/mm/init.c          | 2 --
>   arch/parisc/mm/init.c            | 2 --
>   arch/powerpc/mm/mem.c            | 1 -
>   arch/riscv/mm/init.c             | 1 -
>   arch/s390/mm/init.c              | 2 --
>   arch/sh/mm/init.c                | 1 -
>   arch/sparc/mm/init_32.c          | 2 --
>   arch/sparc/mm/init_64.c          | 1 -
>   arch/um/kernel/mem.c             | 1 -
>   arch/x86/mm/init_32.c            | 2 --
>   arch/x86/mm/init_64.c            | 2 --
>   arch/xtensa/mm/init.c            | 1 -
>   include/linux/mm.h               | 2 +-
>   init/main.c                      | 1 +
>   mm/page_alloc.c                  | 2 +-
>   30 files changed, 3 insertions(+), 38 deletions(-)
> 

> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 55d938297ce6..e4a6bf69c806 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
>   	return pages;
>   }
>   
> -void __init mem_init_print_info(const char *str)
> +void __init mem_init_print_info(void)
>   {
>   	unsigned long physpages, codesize, datasize, rosize, bss_size;
>   	unsigned long init_code_size, init_data_size;
> 

And what about the 'str' in the last line of the function ?

	pr_info("Memory: %luK/%luK available (%luK kernel code, %luK rwdata, %luK rodata, %luK init, %luK 
bss, %luK reserved, %luK cma-reserved"
#ifdef	CONFIG_HIGHMEM
		", %luK highmem"
#endif
		"%s%s)\n",
		nr_free_pages() << (PAGE_SHIFT - 10),
		physpages << (PAGE_SHIFT - 10),
		codesize >> 10, datasize >> 10, rosize >> 10,
		(init_data_size + init_code_size) >> 10, bss_size >> 10,
		(physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
		totalcma_pages << (PAGE_SHIFT - 10),
#ifdef	CONFIG_HIGHMEM
		totalhigh_pages() << (PAGE_SHIFT - 10),
#endif
		str ? ", " : "", str ? str : "");


Christophe

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH] mm: Move mem_init_print_info() into mm_init()
  2021-03-16 14:47 ` Christophe Leroy
@ 2021-03-16 15:04   ` Kefeng Wang
  0 siblings, 0 replies; 17+ messages in thread
From: Kefeng Wang @ 2021-03-16 15:04 UTC (permalink / raw)
  To: Christophe Leroy, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller


On 2021/3/16 22:47, Christophe Leroy wrote:
>
>
> Le 16/03/2021 à 15:26, Kefeng Wang a écrit :
>> mem_init_print_info() is called in mem_init() on each architecture,
>> and pass NULL argument, cleanup it by using void argument and move
>> it into mm_init().
>>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>> ---
>>   arch/alpha/mm/init.c             | 1 -
>>   arch/arc/mm/init.c               | 1 -
>>   arch/arm/mm/init.c               | 2 --
>>   arch/arm64/mm/init.c             | 2 --
>>   arch/csky/mm/init.c              | 1 -
>>   arch/h8300/mm/init.c             | 2 --
>>   arch/hexagon/mm/init.c           | 1 -
>>   arch/ia64/mm/init.c              | 1 -
>>   arch/m68k/mm/init.c              | 1 -
>>   arch/microblaze/mm/init.c        | 1 -
>>   arch/mips/loongson64/numa.c      | 1 -
>>   arch/mips/mm/init.c              | 1 -
>>   arch/mips/sgi-ip27/ip27-memory.c | 1 -
>>   arch/nds32/mm/init.c             | 1 -
>>   arch/nios2/mm/init.c             | 1 -
>>   arch/openrisc/mm/init.c          | 2 --
>>   arch/parisc/mm/init.c            | 2 --
>>   arch/powerpc/mm/mem.c            | 1 -
>>   arch/riscv/mm/init.c             | 1 -
>>   arch/s390/mm/init.c              | 2 --
>>   arch/sh/mm/init.c                | 1 -
>>   arch/sparc/mm/init_32.c          | 2 --
>>   arch/sparc/mm/init_64.c          | 1 -
>>   arch/um/kernel/mem.c             | 1 -
>>   arch/x86/mm/init_32.c            | 2 --
>>   arch/x86/mm/init_64.c            | 2 --
>>   arch/xtensa/mm/init.c            | 1 -
>>   include/linux/mm.h               | 2 +-
>>   init/main.c                      | 1 +
>>   mm/page_alloc.c                  | 2 +-
>>   30 files changed, 3 insertions(+), 38 deletions(-)
>>
>
>> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>> index 55d938297ce6..e4a6bf69c806 100644
>> --- a/mm/page_alloc.c
>> +++ b/mm/page_alloc.c
>> @@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, 
>> void *end, int poison, const char
>>       return pages;
>>   }
>>   -void __init mem_init_print_info(const char *str)
>> +void __init mem_init_print_info(void)
>>   {
>>       unsigned long physpages, codesize, datasize, rosize, bss_size;
>>       unsigned long init_code_size, init_data_size;
>>
>
> And what about the 'str' in the last line of the function ?
>
>     pr_info("Memory: %luK/%luK available (%luK kernel code, %luK 
> rwdata, %luK rodata, %luK init, %luK bss, %luK reserved, %luK 
> cma-reserved"
> #ifdef    CONFIG_HIGHMEM
>         ", %luK highmem"
> #endif
>         "%s%s)\n",
>         nr_free_pages() << (PAGE_SHIFT - 10),
>         physpages << (PAGE_SHIFT - 10),
>         codesize >> 10, datasize >> 10, rosize >> 10,
>         (init_data_size + init_code_size) >> 10, bss_size >> 10,
>         (physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT 
> - 10),
>         totalcma_pages << (PAGE_SHIFT - 10),
> #ifdef    CONFIG_HIGHMEM
>         totalhigh_pages() << (PAGE_SHIFT - 10),
> #endif
>         str ? ", " : "", str ? str : "");

oh,   I send a bad version,firstly I want to split two patches, one for 
function move, one for function change.

sorry, please ignore it, thanks for your remind.

>
>
> Christophe
> .
>

^ permalink raw reply	[flat|nested] 17+ messages in thread

* [PATCH RESEND] mm: Move mem_init_print_info() into mm_init()
  2021-03-16 14:26 [PATCH] mm: Move mem_init_print_info() into mm_init() Kefeng Wang
  2021-03-16 14:47 ` Christophe Leroy
@ 2021-03-16 15:29 ` Kefeng Wang
  2021-03-16 15:45   ` Christophe Leroy
  2021-03-16 21:16 ` [PATCH] " Dave Hansen
  2 siblings, 1 reply; 17+ messages in thread
From: Kefeng Wang @ 2021-03-16 15:29 UTC (permalink / raw)
  To: linux-kernel, Andrew Morton
  Cc: Kefeng Wang, linux-ia64, linux-sh, Peter Zijlstra,
	Catalin Marinas, Dave Hansen, linux-mm, Guo Ren, sparclinux,
	linux-riscv, Jonas Bonn, linux-s390, Yoshinori Sato,
	linux-hexagon, Huacai Chen, Russell King, linux-csky,
	Ingo Molnar, linux-snps-arc, linux-xtensa, Heiko Carstens,
	linux-um, linux-m68k, openrisc, linux-arm-kernel,
	Richard Henderson, linux-parisc, linux-mips, Palmer Dabbelt,
	linux-alpha, linuxppc-dev, David S. Miller

mem_init_print_info() is called in mem_init() on each architecture,
and pass NULL argument, so using void argument and move it into mm_init().

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---

Resend with 'str' line cleanup, and only test on ARM64 qemu.

 arch/alpha/mm/init.c             | 1 -
 arch/arc/mm/init.c               | 1 -
 arch/arm/mm/init.c               | 2 --
 arch/arm64/mm/init.c             | 2 --
 arch/csky/mm/init.c              | 1 -
 arch/h8300/mm/init.c             | 2 --
 arch/hexagon/mm/init.c           | 1 -
 arch/ia64/mm/init.c              | 1 -
 arch/m68k/mm/init.c              | 1 -
 arch/microblaze/mm/init.c        | 1 -
 arch/mips/loongson64/numa.c      | 1 -
 arch/mips/mm/init.c              | 1 -
 arch/mips/sgi-ip27/ip27-memory.c | 1 -
 arch/nds32/mm/init.c             | 1 -
 arch/nios2/mm/init.c             | 1 -
 arch/openrisc/mm/init.c          | 2 --
 arch/parisc/mm/init.c            | 2 --
 arch/powerpc/mm/mem.c            | 1 -
 arch/riscv/mm/init.c             | 1 -
 arch/s390/mm/init.c              | 2 --
 arch/sh/mm/init.c                | 1 -
 arch/sparc/mm/init_32.c          | 2 --
 arch/sparc/mm/init_64.c          | 1 -
 arch/um/kernel/mem.c             | 1 -
 arch/x86/mm/init_32.c            | 2 --
 arch/x86/mm/init_64.c            | 2 --
 arch/xtensa/mm/init.c            | 1 -
 include/linux/mm.h               | 2 +-
 init/main.c                      | 1 +
 mm/page_alloc.c                  | 6 +++---
 30 files changed, 5 insertions(+), 40 deletions(-)

diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 3c42b3147fd6..a97650a618f1 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -282,5 +282,4 @@ mem_init(void)
 	set_max_mapnr(max_low_pfn);
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
 	memblock_free_all();
-	mem_init_print_info(NULL);
 }
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index ce07e697916c..33832e36bdb7 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -194,7 +194,6 @@ void __init mem_init(void)
 {
 	memblock_free_all();
 	highmem_init();
-	mem_init_print_info(NULL);
 }
 
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 828a2561b229..7022b7b5c400 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -316,8 +316,6 @@ void __init mem_init(void)
 
 	free_highpages();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can
 	 * be detected at build time already.
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 3685e12aba9b..e8f29a0bb2f1 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -491,8 +491,6 @@ void __init mem_init(void)
 	/* this will put all unused low memory onto the freelists */
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can be
 	 * detected at build time already.
diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index 894050a8ce09..bf2004aa811a 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -107,7 +107,6 @@ void __init mem_init(void)
 			free_highmem_page(page);
 	}
 #endif
-	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 1f3b345d68b9..f7bf4693e3b2 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -98,6 +98,4 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-
-	mem_init_print_info(NULL);
 }
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index f2e6c868e477..f01e91e10d95 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -55,7 +55,6 @@ void __init mem_init(void)
 {
 	/*  No idea where this is actually declared.  Seems to evade LXR.  */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	/*
 	 *  To-Do:  someone somewhere should wipe out the bootmem map
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 16d0d7d22657..83280e2df807 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -659,7 +659,6 @@ mem_init (void)
 	set_max_mapnr(max_low_pfn);
 	high_memory = __va(max_low_pfn * PAGE_SIZE);
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	/*
 	 * For fsyscall entrpoints with no light-weight handler, use the ordinary
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 14c1e541451c..1759ab875d47 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -153,5 +153,4 @@ void __init mem_init(void)
 	/* this will put all memory onto the freelists */
 	memblock_free_all();
 	init_pointer_tables();
-	mem_init_print_info(NULL);
 }
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 05cf1fb3f5ff..ab55c70380a5 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -131,7 +131,6 @@ void __init mem_init(void)
 	highmem_setup();
 #endif
 
-	mem_init_print_info(NULL);
 	mem_init_done = 1;
 }
 
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
index 8315c871c435..fa9b4a487a47 100644
--- a/arch/mips/loongson64/numa.c
+++ b/arch/mips/loongson64/numa.c
@@ -178,7 +178,6 @@ void __init mem_init(void)
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
 	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
 }
 
 /* All PCI device belongs to logical Node-0 */
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 5cb73bf74a8b..c36358758969 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -467,7 +467,6 @@ void __init mem_init(void)
 	memblock_free_all();
 	setup_zero_pages();	/* Setup zeroed pages.  */
 	mem_init_free_highmem();
-	mem_init_print_info(NULL);
 
 #ifdef CONFIG_64BIT
 	if ((unsigned long) &_text > (unsigned long) CKSEG0)
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index 87bb6945ec25..6173684b5aaa 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -420,5 +420,4 @@ void __init mem_init(void)
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
 	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
 }
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index fa86f7b2f416..f63f839738c4 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -191,7 +191,6 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	pr_info("virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 61862dbb0e32..613fcaa5988a 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -71,7 +71,6 @@ void __init mem_init(void)
 
 	/* this will put all memory onto the freelists */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 }
 
 void __init mmu_init(void)
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index bf9b2310fc93..d5641198b90c 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -211,8 +211,6 @@ void __init mem_init(void)
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
-
 	printk("mem_init_done ...........................................\n");
 	mem_init_done = 1;
 	return;
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 9ca4e4ff6895..591a4e939415 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -573,8 +573,6 @@ void __init mem_init(void)
 #endif
 		parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
 
-	mem_init_print_info(NULL);
-
 #if 0
 	/*
 	 * Do not expose the virtual kernel memory layout to userspace.
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 4e8ce6d85232..7e11c4cb08b8 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -312,7 +312,6 @@ void __init mem_init(void)
 		(mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
 #endif
 
-	mem_init_print_info(NULL);
 #ifdef CONFIG_PPC32
 	pr_info("Kernel virtual memory layout:\n");
 #ifdef CONFIG_KASAN
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 7f5036fbee8c..3c5ee3b7d811 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -102,7 +102,6 @@ void __init mem_init(void)
 	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
 	print_vm_layout();
 }
 
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 0e76b2127dc6..8ac710de1ab1 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -209,8 +209,6 @@ void __init mem_init(void)
 	setup_zero_pages();	/* Setup zeroed pages. */
 
 	cmma_init_nodat();
-
-	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 0db6919af8d3..168d7d4dd735 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -359,7 +359,6 @@ void __init mem_init(void)
 
 	vsyscall_init();
 
-	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
 		"    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 6139c5700ccc..1e9f577f084d 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -292,8 +292,6 @@ void __init mem_init(void)
 
 		map_high_region(start_pfn, end_pfn);
 	}
-
-	mem_init_print_info(NULL);
 }
 
 void sparc_flush_page_to_ram(struct page *page)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 182bb7bdaa0a..e454f179cf5d 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2520,7 +2520,6 @@ void __init mem_init(void)
 	}
 	mark_page_reserved(mem_map_zero);
 
-	mem_init_print_info(NULL);
 
 	if (tlb_type == cheetah || tlb_type == cheetah_plus)
 		cheetah_ecache_flush_init();
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 9242dc91d751..9019ff5905b1 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -54,7 +54,6 @@ void __init mem_init(void)
 	memblock_free_all();
 	max_low_pfn = totalram_pages();
 	max_pfn = max_low_pfn;
-	mem_init_print_info(NULL);
 	kmalloc_ok = 1;
 }
 
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index da31c2635ee4..21ffb03f6c72 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -755,8 +755,6 @@ void __init mem_init(void)
 	after_bootmem = 1;
 	x86_init.hyper.init_after_bootmem();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can
 	 * be detected at build time already.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5430c81eefc9..aa8387aab9c1 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1350,8 +1350,6 @@ void __init mem_init(void)
 		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
 
 	preallocate_vmalloc_pages();
-
-	mem_init_print_info(NULL);
 }
 
 #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 2daeba9e454e..6a32b2cf2718 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -119,7 +119,6 @@ void __init mem_init(void)
 
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
 #ifdef CONFIG_KASAN
 		"    kasan   : 0x%08lx - 0x%08lx  (%5lu MB)\n"
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 89314651dd62..c2e0b3495c5a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
 					int poison, const char *s);
 
 extern void adjust_managed_page_count(struct page *page, long count);
-extern void mem_init_print_info(const char *str);
+extern void mem_init_print_info(void);
 
 extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
 
diff --git a/init/main.c b/init/main.c
index 53b278845b88..5581af5b4cb7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -830,6 +830,7 @@ static void __init mm_init(void)
 	report_meminit();
 	stack_depot_init();
 	mem_init();
+	mem_init_print_info();
 	/* page_owner must be initialized after buddy is ready */
 	page_ext_init_flatmem_late();
 	kmem_cache_init();
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 55d938297ce6..cf5a2114c6d4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
 	return pages;
 }
 
-void __init mem_init_print_info(const char *str)
+void __init mem_init_print_info(void)
 {
 	unsigned long physpages, codesize, datasize, rosize, bss_size;
 	unsigned long init_code_size, init_data_size;
@@ -7767,7 +7767,7 @@ void __init mem_init_print_info(const char *str)
 #ifdef	CONFIG_HIGHMEM
 		", %luK highmem"
 #endif
-		"%s%s)\n",
+		"%s)\n",
 		nr_free_pages() << (PAGE_SHIFT - 10),
 		physpages << (PAGE_SHIFT - 10),
 		codesize >> 10, datasize >> 10, rosize >> 10,
@@ -7777,7 +7777,7 @@ void __init mem_init_print_info(const char *str)
 #ifdef	CONFIG_HIGHMEM
 		totalhigh_pages() << (PAGE_SHIFT - 10),
 #endif
-		str ? ", " : "", str ? str : "");
+		"");
 }
 
 /**
-- 
2.26.2


^ permalink raw reply related	[flat|nested] 17+ messages in thread

* Re: [PATCH RESEND] mm: Move mem_init_print_info() into mm_init()
  2021-03-16 15:29 ` [PATCH RESEND] " Kefeng Wang
@ 2021-03-16 15:45   ` Christophe Leroy
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
  0 siblings, 1 reply; 17+ messages in thread
From: Christophe Leroy @ 2021-03-16 15:45 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller



Le 16/03/2021 à 16:29, Kefeng Wang a écrit :
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
> 
> Resend with 'str' line cleanup, and only test on ARM64 qemu.
> 
>   arch/alpha/mm/init.c             | 1 -
>   arch/arc/mm/init.c               | 1 -
>   arch/arm/mm/init.c               | 2 --
>   arch/arm64/mm/init.c             | 2 --
>   arch/csky/mm/init.c              | 1 -
>   arch/h8300/mm/init.c             | 2 --
>   arch/hexagon/mm/init.c           | 1 -
>   arch/ia64/mm/init.c              | 1 -
>   arch/m68k/mm/init.c              | 1 -
>   arch/microblaze/mm/init.c        | 1 -
>   arch/mips/loongson64/numa.c      | 1 -
>   arch/mips/mm/init.c              | 1 -
>   arch/mips/sgi-ip27/ip27-memory.c | 1 -
>   arch/nds32/mm/init.c             | 1 -
>   arch/nios2/mm/init.c             | 1 -
>   arch/openrisc/mm/init.c          | 2 --
>   arch/parisc/mm/init.c            | 2 --
>   arch/powerpc/mm/mem.c            | 1 -
>   arch/riscv/mm/init.c             | 1 -
>   arch/s390/mm/init.c              | 2 --
>   arch/sh/mm/init.c                | 1 -
>   arch/sparc/mm/init_32.c          | 2 --
>   arch/sparc/mm/init_64.c          | 1 -
>   arch/um/kernel/mem.c             | 1 -
>   arch/x86/mm/init_32.c            | 2 --
>   arch/x86/mm/init_64.c            | 2 --
>   arch/xtensa/mm/init.c            | 1 -
>   include/linux/mm.h               | 2 +-
>   init/main.c                      | 1 +
>   mm/page_alloc.c                  | 6 +++---
>   30 files changed, 5 insertions(+), 40 deletions(-)
> 

> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 55d938297ce6..cf5a2114c6d4 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
>   	return pages;
>   }
>   
> -void __init mem_init_print_info(const char *str)
> +void __init mem_init_print_info(void)
>   {
>   	unsigned long physpages, codesize, datasize, rosize, bss_size;
>   	unsigned long init_code_size, init_data_size;
> @@ -7767,7 +7767,7 @@ void __init mem_init_print_info(const char *str)
>   #ifdef	CONFIG_HIGHMEM
>   		", %luK highmem"
>   #endif
> -		"%s%s)\n",
> +		"%s)\n",
>   		nr_free_pages() << (PAGE_SHIFT - 10),
>   		physpages << (PAGE_SHIFT - 10),
>   		codesize >> 10, datasize >> 10, rosize >> 10,
> @@ -7777,7 +7777,7 @@ void __init mem_init_print_info(const char *str)
>   #ifdef	CONFIG_HIGHMEM
>   		totalhigh_pages() << (PAGE_SHIFT - 10),
>   #endif
> -		str ? ", " : "", str ? str : "");
> +		"");
>   }
>   
>   /**
> 

What is the benefit of a %s to print a constant "" ?

You should tidy up completely.

Christophe

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH] mm: Move mem_init_print_info() into mm_init()
  2021-03-16 14:26 [PATCH] mm: Move mem_init_print_info() into mm_init() Kefeng Wang
  2021-03-16 14:47 ` Christophe Leroy
  2021-03-16 15:29 ` [PATCH RESEND] " Kefeng Wang
@ 2021-03-16 21:16 ` Dave Hansen
  2 siblings, 0 replies; 17+ messages in thread
From: Dave Hansen @ 2021-03-16 21:16 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller

On 3/16/21 7:26 AM, Kefeng Wang wrote:
> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
> index 5430c81eefc9..aa8387aab9c1 100644
> --- a/arch/x86/mm/init_64.c
> +++ b/arch/x86/mm/init_64.c
> @@ -1350,8 +1350,6 @@ void __init mem_init(void)
>  		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
>  
>  	preallocate_vmalloc_pages();
> -
> -	mem_init_print_info(NULL);
>  }

Ignoring any issues with the printk...

Looks harmless enough on x86.  The 32-bit code has some cruft in
mem_init() after mem_init_print_info(), so this patch will change the
location of the mem_init_print_info(), but I think it's actually for the
better, since it will be pushed later in boot.  As long as the x86
pieces stay the same:

Acked-by: Dave Hansen <dave.hansen@linux.intel.com>

^ permalink raw reply	[flat|nested] 17+ messages in thread

* [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-16 15:45   ` Christophe Leroy
@ 2021-03-17  1:52     ` Kefeng Wang
  2021-03-17  5:48       ` Christophe Leroy
                         ` (7 more replies)
  0 siblings, 8 replies; 17+ messages in thread
From: Kefeng Wang @ 2021-03-17  1:52 UTC (permalink / raw)
  To: linux-kernel, Andrew Morton
  Cc: Kefeng Wang, linux-ia64, linux-sh, Peter Zijlstra,
	Catalin Marinas, Dave Hansen, linux-mm, Guo Ren, sparclinux,
	linux-riscv, Jonas Bonn, linux-s390, Yoshinori Sato,
	linux-hexagon, Huacai Chen, Russell King, linux-csky,
	Ingo Molnar, linux-snps-arc, linux-xtensa, Heiko Carstens,
	linux-um, linux-m68k, openrisc, linux-arm-kernel,
	Richard Henderson, linux-parisc, linux-mips, Palmer Dabbelt,
	linux-alpha, linuxppc-dev, David S. Miller

mem_init_print_info() is called in mem_init() on each architecture,
and pass NULL argument, so using void argument and move it into mm_init().

Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
v2:
- Cleanup 'str' line suggested by Christophe and ACK

 arch/alpha/mm/init.c             |  1 -
 arch/arc/mm/init.c               |  1 -
 arch/arm/mm/init.c               |  2 --
 arch/arm64/mm/init.c             |  2 --
 arch/csky/mm/init.c              |  1 -
 arch/h8300/mm/init.c             |  2 --
 arch/hexagon/mm/init.c           |  1 -
 arch/ia64/mm/init.c              |  1 -
 arch/m68k/mm/init.c              |  1 -
 arch/microblaze/mm/init.c        |  1 -
 arch/mips/loongson64/numa.c      |  1 -
 arch/mips/mm/init.c              |  1 -
 arch/mips/sgi-ip27/ip27-memory.c |  1 -
 arch/nds32/mm/init.c             |  1 -
 arch/nios2/mm/init.c             |  1 -
 arch/openrisc/mm/init.c          |  2 --
 arch/parisc/mm/init.c            |  2 --
 arch/powerpc/mm/mem.c            |  1 -
 arch/riscv/mm/init.c             |  1 -
 arch/s390/mm/init.c              |  2 --
 arch/sh/mm/init.c                |  1 -
 arch/sparc/mm/init_32.c          |  2 --
 arch/sparc/mm/init_64.c          |  1 -
 arch/um/kernel/mem.c             |  1 -
 arch/x86/mm/init_32.c            |  2 --
 arch/x86/mm/init_64.c            |  2 --
 arch/xtensa/mm/init.c            |  1 -
 include/linux/mm.h               |  2 +-
 init/main.c                      |  1 +
 mm/page_alloc.c                  | 10 +++++-----
 30 files changed, 7 insertions(+), 42 deletions(-)

diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 3c42b3147fd6..a97650a618f1 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -282,5 +282,4 @@ mem_init(void)
 	set_max_mapnr(max_low_pfn);
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
 	memblock_free_all();
-	mem_init_print_info(NULL);
 }
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index ce07e697916c..33832e36bdb7 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -194,7 +194,6 @@ void __init mem_init(void)
 {
 	memblock_free_all();
 	highmem_init();
-	mem_init_print_info(NULL);
 }
 
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 828a2561b229..7022b7b5c400 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -316,8 +316,6 @@ void __init mem_init(void)
 
 	free_highpages();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can
 	 * be detected at build time already.
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 3685e12aba9b..e8f29a0bb2f1 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -491,8 +491,6 @@ void __init mem_init(void)
 	/* this will put all unused low memory onto the freelists */
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can be
 	 * detected at build time already.
diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index 894050a8ce09..bf2004aa811a 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -107,7 +107,6 @@ void __init mem_init(void)
 			free_highmem_page(page);
 	}
 #endif
-	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 1f3b345d68b9..f7bf4693e3b2 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -98,6 +98,4 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-
-	mem_init_print_info(NULL);
 }
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index f2e6c868e477..f01e91e10d95 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -55,7 +55,6 @@ void __init mem_init(void)
 {
 	/*  No idea where this is actually declared.  Seems to evade LXR.  */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	/*
 	 *  To-Do:  someone somewhere should wipe out the bootmem map
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 16d0d7d22657..83280e2df807 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -659,7 +659,6 @@ mem_init (void)
 	set_max_mapnr(max_low_pfn);
 	high_memory = __va(max_low_pfn * PAGE_SIZE);
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	/*
 	 * For fsyscall entrpoints with no light-weight handler, use the ordinary
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 14c1e541451c..1759ab875d47 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -153,5 +153,4 @@ void __init mem_init(void)
 	/* this will put all memory onto the freelists */
 	memblock_free_all();
 	init_pointer_tables();
-	mem_init_print_info(NULL);
 }
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 05cf1fb3f5ff..ab55c70380a5 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -131,7 +131,6 @@ void __init mem_init(void)
 	highmem_setup();
 #endif
 
-	mem_init_print_info(NULL);
 	mem_init_done = 1;
 }
 
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
index 8315c871c435..fa9b4a487a47 100644
--- a/arch/mips/loongson64/numa.c
+++ b/arch/mips/loongson64/numa.c
@@ -178,7 +178,6 @@ void __init mem_init(void)
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
 	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
 }
 
 /* All PCI device belongs to logical Node-0 */
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 5cb73bf74a8b..c36358758969 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -467,7 +467,6 @@ void __init mem_init(void)
 	memblock_free_all();
 	setup_zero_pages();	/* Setup zeroed pages.  */
 	mem_init_free_highmem();
-	mem_init_print_info(NULL);
 
 #ifdef CONFIG_64BIT
 	if ((unsigned long) &_text > (unsigned long) CKSEG0)
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index 87bb6945ec25..6173684b5aaa 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -420,5 +420,4 @@ void __init mem_init(void)
 	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
 	memblock_free_all();
 	setup_zero_pages();	/* This comes from node 0 */
-	mem_init_print_info(NULL);
 }
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index fa86f7b2f416..f63f839738c4 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -191,7 +191,6 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 
 	pr_info("virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 61862dbb0e32..613fcaa5988a 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -71,7 +71,6 @@ void __init mem_init(void)
 
 	/* this will put all memory onto the freelists */
 	memblock_free_all();
-	mem_init_print_info(NULL);
 }
 
 void __init mmu_init(void)
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index bf9b2310fc93..d5641198b90c 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -211,8 +211,6 @@ void __init mem_init(void)
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
-
 	printk("mem_init_done ...........................................\n");
 	mem_init_done = 1;
 	return;
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 9ca4e4ff6895..591a4e939415 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -573,8 +573,6 @@ void __init mem_init(void)
 #endif
 		parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
 
-	mem_init_print_info(NULL);
-
 #if 0
 	/*
 	 * Do not expose the virtual kernel memory layout to userspace.
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 4e8ce6d85232..7e11c4cb08b8 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -312,7 +312,6 @@ void __init mem_init(void)
 		(mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
 #endif
 
-	mem_init_print_info(NULL);
 #ifdef CONFIG_PPC32
 	pr_info("Kernel virtual memory layout:\n");
 #ifdef CONFIG_KASAN
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 7f5036fbee8c..3c5ee3b7d811 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -102,7 +102,6 @@ void __init mem_init(void)
 	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
 	print_vm_layout();
 }
 
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 0e76b2127dc6..8ac710de1ab1 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -209,8 +209,6 @@ void __init mem_init(void)
 	setup_zero_pages();	/* Setup zeroed pages. */
 
 	cmma_init_nodat();
-
-	mem_init_print_info(NULL);
 }
 
 void free_initmem(void)
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 0db6919af8d3..168d7d4dd735 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -359,7 +359,6 @@ void __init mem_init(void)
 
 	vsyscall_init();
 
-	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
 		"    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 6139c5700ccc..1e9f577f084d 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -292,8 +292,6 @@ void __init mem_init(void)
 
 		map_high_region(start_pfn, end_pfn);
 	}
-
-	mem_init_print_info(NULL);
 }
 
 void sparc_flush_page_to_ram(struct page *page)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 182bb7bdaa0a..e454f179cf5d 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2520,7 +2520,6 @@ void __init mem_init(void)
 	}
 	mark_page_reserved(mem_map_zero);
 
-	mem_init_print_info(NULL);
 
 	if (tlb_type == cheetah || tlb_type == cheetah_plus)
 		cheetah_ecache_flush_init();
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 9242dc91d751..9019ff5905b1 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -54,7 +54,6 @@ void __init mem_init(void)
 	memblock_free_all();
 	max_low_pfn = totalram_pages();
 	max_pfn = max_low_pfn;
-	mem_init_print_info(NULL);
 	kmalloc_ok = 1;
 }
 
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index da31c2635ee4..21ffb03f6c72 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -755,8 +755,6 @@ void __init mem_init(void)
 	after_bootmem = 1;
 	x86_init.hyper.init_after_bootmem();
 
-	mem_init_print_info(NULL);
-
 	/*
 	 * Check boundaries twice: Some fundamental inconsistencies can
 	 * be detected at build time already.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5430c81eefc9..aa8387aab9c1 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1350,8 +1350,6 @@ void __init mem_init(void)
 		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
 
 	preallocate_vmalloc_pages();
-
-	mem_init_print_info(NULL);
 }
 
 #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 2daeba9e454e..6a32b2cf2718 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -119,7 +119,6 @@ void __init mem_init(void)
 
 	memblock_free_all();
 
-	mem_init_print_info(NULL);
 	pr_info("virtual kernel memory layout:\n"
 #ifdef CONFIG_KASAN
 		"    kasan   : 0x%08lx - 0x%08lx  (%5lu MB)\n"
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 89314651dd62..c2e0b3495c5a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
 					int poison, const char *s);
 
 extern void adjust_managed_page_count(struct page *page, long count);
-extern void mem_init_print_info(const char *str);
+extern void mem_init_print_info(void);
 
 extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
 
diff --git a/init/main.c b/init/main.c
index 53b278845b88..5581af5b4cb7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -830,6 +830,7 @@ static void __init mm_init(void)
 	report_meminit();
 	stack_depot_init();
 	mem_init();
+	mem_init_print_info();
 	/* page_owner must be initialized after buddy is ready */
 	page_ext_init_flatmem_late();
 	kmem_cache_init();
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 55d938297ce6..b5fe5962837c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
 	return pages;
 }
 
-void __init mem_init_print_info(const char *str)
+void __init mem_init_print_info(void)
 {
 	unsigned long physpages, codesize, datasize, rosize, bss_size;
 	unsigned long init_code_size, init_data_size;
@@ -7767,17 +7767,17 @@ void __init mem_init_print_info(const char *str)
 #ifdef	CONFIG_HIGHMEM
 		", %luK highmem"
 #endif
-		"%s%s)\n",
+		")\n",
 		nr_free_pages() << (PAGE_SHIFT - 10),
 		physpages << (PAGE_SHIFT - 10),
 		codesize >> 10, datasize >> 10, rosize >> 10,
 		(init_data_size + init_code_size) >> 10, bss_size >> 10,
 		(physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
-		totalcma_pages << (PAGE_SHIFT - 10),
+		totalcma_pages << (PAGE_SHIFT - 10)
 #ifdef	CONFIG_HIGHMEM
-		totalhigh_pages() << (PAGE_SHIFT - 10),
+		, totalhigh_pages() << (PAGE_SHIFT - 10)
 #endif
-		str ? ", " : "", str ? str : "");
+		);
 }
 
 /**
-- 
2.26.2


^ permalink raw reply related	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
@ 2021-03-17  5:48       ` Christophe Leroy
  2021-03-17  5:57         ` Kefeng Wang
  2021-03-17 11:31       ` David Hildenbrand
                         ` (6 subsequent siblings)
  7 siblings, 1 reply; 17+ messages in thread
From: Christophe Leroy @ 2021-03-17  5:48 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller



Le 17/03/2021 à 02:52, Kefeng Wang a écrit :
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
> v2:
> - Cleanup 'str' line suggested by Christophe and ACK
> 
>   arch/alpha/mm/init.c             |  1 -
>   arch/arc/mm/init.c               |  1 -
>   arch/arm/mm/init.c               |  2 --
>   arch/arm64/mm/init.c             |  2 --
>   arch/csky/mm/init.c              |  1 -
>   arch/h8300/mm/init.c             |  2 --
>   arch/hexagon/mm/init.c           |  1 -
>   arch/ia64/mm/init.c              |  1 -
>   arch/m68k/mm/init.c              |  1 -
>   arch/microblaze/mm/init.c        |  1 -
>   arch/mips/loongson64/numa.c      |  1 -
>   arch/mips/mm/init.c              |  1 -
>   arch/mips/sgi-ip27/ip27-memory.c |  1 -
>   arch/nds32/mm/init.c             |  1 -
>   arch/nios2/mm/init.c             |  1 -
>   arch/openrisc/mm/init.c          |  2 --
>   arch/parisc/mm/init.c            |  2 --
>   arch/powerpc/mm/mem.c            |  1 -
>   arch/riscv/mm/init.c             |  1 -
>   arch/s390/mm/init.c              |  2 --
>   arch/sh/mm/init.c                |  1 -
>   arch/sparc/mm/init_32.c          |  2 --
>   arch/sparc/mm/init_64.c          |  1 -
>   arch/um/kernel/mem.c             |  1 -
>   arch/x86/mm/init_32.c            |  2 --
>   arch/x86/mm/init_64.c            |  2 --
>   arch/xtensa/mm/init.c            |  1 -
>   include/linux/mm.h               |  2 +-
>   init/main.c                      |  1 +
>   mm/page_alloc.c                  | 10 +++++-----
>   30 files changed, 7 insertions(+), 42 deletions(-)
> 

> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 89314651dd62..c2e0b3495c5a 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
>   					int poison, const char *s);
>   
>   extern void adjust_managed_page_count(struct page *page, long count);
> -extern void mem_init_print_info(const char *str);
> +extern void mem_init_print_info(void);

Sorry I didn't see that in previous patch.

'extern' keyword is pointless for function prototypes and is deprecated, you should remove it.

That said,

Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> # focussed on powerpc

>   
>   extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
>   

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  5:48       ` Christophe Leroy
@ 2021-03-17  5:57         ` Kefeng Wang
  0 siblings, 0 replies; 17+ messages in thread
From: Kefeng Wang @ 2021-03-17  5:57 UTC (permalink / raw)
  To: Christophe Leroy, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller


On 2021/3/17 13:48, Christophe Leroy wrote:
>
>
> Le 17/03/2021 à 02:52, Kefeng Wang a écrit :
>> mem_init_print_info() is called in mem_init() on each architecture,
>> and pass NULL argument, so using void argument and move it into 
>> mm_init().
>>
>> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>> ---
>> v2:
>> - Cleanup 'str' line suggested by Christophe and ACK
>>
>>   arch/alpha/mm/init.c             |  1 -
>>   arch/arc/mm/init.c               |  1 -
>>   arch/arm/mm/init.c               |  2 --
>>   arch/arm64/mm/init.c             |  2 --
>>   arch/csky/mm/init.c              |  1 -
>>   arch/h8300/mm/init.c             |  2 --
>>   arch/hexagon/mm/init.c           |  1 -
>>   arch/ia64/mm/init.c              |  1 -
>>   arch/m68k/mm/init.c              |  1 -
>>   arch/microblaze/mm/init.c        |  1 -
>>   arch/mips/loongson64/numa.c      |  1 -
>>   arch/mips/mm/init.c              |  1 -
>>   arch/mips/sgi-ip27/ip27-memory.c |  1 -
>>   arch/nds32/mm/init.c             |  1 -
>>   arch/nios2/mm/init.c             |  1 -
>>   arch/openrisc/mm/init.c          |  2 --
>>   arch/parisc/mm/init.c            |  2 --
>>   arch/powerpc/mm/mem.c            |  1 -
>>   arch/riscv/mm/init.c             |  1 -
>>   arch/s390/mm/init.c              |  2 --
>>   arch/sh/mm/init.c                |  1 -
>>   arch/sparc/mm/init_32.c          |  2 --
>>   arch/sparc/mm/init_64.c          |  1 -
>>   arch/um/kernel/mem.c             |  1 -
>>   arch/x86/mm/init_32.c            |  2 --
>>   arch/x86/mm/init_64.c            |  2 --
>>   arch/xtensa/mm/init.c            |  1 -
>>   include/linux/mm.h               |  2 +-
>>   init/main.c                      |  1 +
>>   mm/page_alloc.c                  | 10 +++++-----
>>   30 files changed, 7 insertions(+), 42 deletions(-)
>>
>
>> diff --git a/include/linux/mm.h b/include/linux/mm.h
>> index 89314651dd62..c2e0b3495c5a 100644
>> --- a/include/linux/mm.h
>> +++ b/include/linux/mm.h
>> @@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void 
>> *start, void *end,
>>                       int poison, const char *s);
>>     extern void adjust_managed_page_count(struct page *page, long 
>> count);
>> -extern void mem_init_print_info(const char *str);
>> +extern void mem_init_print_info(void);
>
> Sorry I didn't see that in previous patch.
>
> 'extern' keyword is pointless for function prototypes and is 
> deprecated, you should remove it.
>
> That said,
>
> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr> # focussed on 
> powerpc
Thanks, let's wait for more feedback from other architectures, if 
necessary,  will send a new one.
>
>>     extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t 
>> end);
> .
>

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
  2021-03-17  5:48       ` Christophe Leroy
@ 2021-03-17 11:31       ` David Hildenbrand
  2021-03-17 14:03       ` Anatoly Pugachev
                         ` (5 subsequent siblings)
  7 siblings, 0 replies; 17+ messages in thread
From: David Hildenbrand @ 2021-03-17 11:31 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller

On 17.03.21 02:52, Kefeng Wang wrote:
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
> v2:
> - Cleanup 'str' line suggested by Christophe and ACK
> 
>   arch/alpha/mm/init.c             |  1 -
>   arch/arc/mm/init.c               |  1 -
>   arch/arm/mm/init.c               |  2 --
>   arch/arm64/mm/init.c             |  2 --
>   arch/csky/mm/init.c              |  1 -
>   arch/h8300/mm/init.c             |  2 --
>   arch/hexagon/mm/init.c           |  1 -
>   arch/ia64/mm/init.c              |  1 -
>   arch/m68k/mm/init.c              |  1 -
>   arch/microblaze/mm/init.c        |  1 -
>   arch/mips/loongson64/numa.c      |  1 -
>   arch/mips/mm/init.c              |  1 -
>   arch/mips/sgi-ip27/ip27-memory.c |  1 -
>   arch/nds32/mm/init.c             |  1 -
>   arch/nios2/mm/init.c             |  1 -
>   arch/openrisc/mm/init.c          |  2 --
>   arch/parisc/mm/init.c            |  2 --
>   arch/powerpc/mm/mem.c            |  1 -
>   arch/riscv/mm/init.c             |  1 -
>   arch/s390/mm/init.c              |  2 --
>   arch/sh/mm/init.c                |  1 -
>   arch/sparc/mm/init_32.c          |  2 --
>   arch/sparc/mm/init_64.c          |  1 -
>   arch/um/kernel/mem.c             |  1 -
>   arch/x86/mm/init_32.c            |  2 --
>   arch/x86/mm/init_64.c            |  2 --
>   arch/xtensa/mm/init.c            |  1 -
>   include/linux/mm.h               |  2 +-
>   init/main.c                      |  1 +
>   mm/page_alloc.c                  | 10 +++++-----
>   30 files changed, 7 insertions(+), 42 deletions(-)
> 
> diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
> index 3c42b3147fd6..a97650a618f1 100644
> --- a/arch/alpha/mm/init.c
> +++ b/arch/alpha/mm/init.c
> @@ -282,5 +282,4 @@ mem_init(void)
>   	set_max_mapnr(max_low_pfn);
>   	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
> index ce07e697916c..33832e36bdb7 100644
> --- a/arch/arc/mm/init.c
> +++ b/arch/arc/mm/init.c
> @@ -194,7 +194,6 @@ void __init mem_init(void)
>   {
>   	memblock_free_all();
>   	highmem_init();
> -	mem_init_print_info(NULL);
>   }
>   
>   #ifdef CONFIG_HIGHMEM
> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> index 828a2561b229..7022b7b5c400 100644
> --- a/arch/arm/mm/init.c
> +++ b/arch/arm/mm/init.c
> @@ -316,8 +316,6 @@ void __init mem_init(void)
>   
>   	free_highpages();
>   
> -	mem_init_print_info(NULL);
> -
>   	/*
>   	 * Check boundaries twice: Some fundamental inconsistencies can
>   	 * be detected at build time already.
> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
> index 3685e12aba9b..e8f29a0bb2f1 100644
> --- a/arch/arm64/mm/init.c
> +++ b/arch/arm64/mm/init.c
> @@ -491,8 +491,6 @@ void __init mem_init(void)
>   	/* this will put all unused low memory onto the freelists */
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
> -
>   	/*
>   	 * Check boundaries twice: Some fundamental inconsistencies can be
>   	 * detected at build time already.
> diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
> index 894050a8ce09..bf2004aa811a 100644
> --- a/arch/csky/mm/init.c
> +++ b/arch/csky/mm/init.c
> @@ -107,7 +107,6 @@ void __init mem_init(void)
>   			free_highmem_page(page);
>   	}
>   #endif
> -	mem_init_print_info(NULL);
>   }
>   
>   void free_initmem(void)
> diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
> index 1f3b345d68b9..f7bf4693e3b2 100644
> --- a/arch/h8300/mm/init.c
> +++ b/arch/h8300/mm/init.c
> @@ -98,6 +98,4 @@ void __init mem_init(void)
>   
>   	/* this will put all low memory onto the freelists */
>   	memblock_free_all();
> -
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
> index f2e6c868e477..f01e91e10d95 100644
> --- a/arch/hexagon/mm/init.c
> +++ b/arch/hexagon/mm/init.c
> @@ -55,7 +55,6 @@ void __init mem_init(void)
>   {
>   	/*  No idea where this is actually declared.  Seems to evade LXR.  */
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   
>   	/*
>   	 *  To-Do:  someone somewhere should wipe out the bootmem map
> diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
> index 16d0d7d22657..83280e2df807 100644
> --- a/arch/ia64/mm/init.c
> +++ b/arch/ia64/mm/init.c
> @@ -659,7 +659,6 @@ mem_init (void)
>   	set_max_mapnr(max_low_pfn);
>   	high_memory = __va(max_low_pfn * PAGE_SIZE);
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   
>   	/*
>   	 * For fsyscall entrpoints with no light-weight handler, use the ordinary
> diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
> index 14c1e541451c..1759ab875d47 100644
> --- a/arch/m68k/mm/init.c
> +++ b/arch/m68k/mm/init.c
> @@ -153,5 +153,4 @@ void __init mem_init(void)
>   	/* this will put all memory onto the freelists */
>   	memblock_free_all();
>   	init_pointer_tables();
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
> index 05cf1fb3f5ff..ab55c70380a5 100644
> --- a/arch/microblaze/mm/init.c
> +++ b/arch/microblaze/mm/init.c
> @@ -131,7 +131,6 @@ void __init mem_init(void)
>   	highmem_setup();
>   #endif
>   
> -	mem_init_print_info(NULL);
>   	mem_init_done = 1;
>   }
>   
> diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
> index 8315c871c435..fa9b4a487a47 100644
> --- a/arch/mips/loongson64/numa.c
> +++ b/arch/mips/loongson64/numa.c
> @@ -178,7 +178,6 @@ void __init mem_init(void)
>   	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
>   	memblock_free_all();
>   	setup_zero_pages();	/* This comes from node 0 */
> -	mem_init_print_info(NULL);
>   }
>   
>   /* All PCI device belongs to logical Node-0 */
> diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
> index 5cb73bf74a8b..c36358758969 100644
> --- a/arch/mips/mm/init.c
> +++ b/arch/mips/mm/init.c
> @@ -467,7 +467,6 @@ void __init mem_init(void)
>   	memblock_free_all();
>   	setup_zero_pages();	/* Setup zeroed pages.  */
>   	mem_init_free_highmem();
> -	mem_init_print_info(NULL);
>   
>   #ifdef CONFIG_64BIT
>   	if ((unsigned long) &_text > (unsigned long) CKSEG0)
> diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
> index 87bb6945ec25..6173684b5aaa 100644
> --- a/arch/mips/sgi-ip27/ip27-memory.c
> +++ b/arch/mips/sgi-ip27/ip27-memory.c
> @@ -420,5 +420,4 @@ void __init mem_init(void)
>   	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
>   	memblock_free_all();
>   	setup_zero_pages();	/* This comes from node 0 */
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
> index fa86f7b2f416..f63f839738c4 100644
> --- a/arch/nds32/mm/init.c
> +++ b/arch/nds32/mm/init.c
> @@ -191,7 +191,6 @@ void __init mem_init(void)
>   
>   	/* this will put all low memory onto the freelists */
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   
>   	pr_info("virtual kernel memory layout:\n"
>   		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
> diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
> index 61862dbb0e32..613fcaa5988a 100644
> --- a/arch/nios2/mm/init.c
> +++ b/arch/nios2/mm/init.c
> @@ -71,7 +71,6 @@ void __init mem_init(void)
>   
>   	/* this will put all memory onto the freelists */
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   }
>   
>   void __init mmu_init(void)
> diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
> index bf9b2310fc93..d5641198b90c 100644
> --- a/arch/openrisc/mm/init.c
> +++ b/arch/openrisc/mm/init.c
> @@ -211,8 +211,6 @@ void __init mem_init(void)
>   	/* this will put all low memory onto the freelists */
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
> -
>   	printk("mem_init_done ...........................................\n");
>   	mem_init_done = 1;
>   	return;
> diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
> index 9ca4e4ff6895..591a4e939415 100644
> --- a/arch/parisc/mm/init.c
> +++ b/arch/parisc/mm/init.c
> @@ -573,8 +573,6 @@ void __init mem_init(void)
>   #endif
>   		parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
>   
> -	mem_init_print_info(NULL);
> -
>   #if 0
>   	/*
>   	 * Do not expose the virtual kernel memory layout to userspace.
> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
> index 4e8ce6d85232..7e11c4cb08b8 100644
> --- a/arch/powerpc/mm/mem.c
> +++ b/arch/powerpc/mm/mem.c
> @@ -312,7 +312,6 @@ void __init mem_init(void)
>   		(mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
>   #endif
>   
> -	mem_init_print_info(NULL);
>   #ifdef CONFIG_PPC32
>   	pr_info("Kernel virtual memory layout:\n");
>   #ifdef CONFIG_KASAN
> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
> index 7f5036fbee8c..3c5ee3b7d811 100644
> --- a/arch/riscv/mm/init.c
> +++ b/arch/riscv/mm/init.c
> @@ -102,7 +102,6 @@ void __init mem_init(void)
>   	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
>   	print_vm_layout();
>   }
>   
> diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
> index 0e76b2127dc6..8ac710de1ab1 100644
> --- a/arch/s390/mm/init.c
> +++ b/arch/s390/mm/init.c
> @@ -209,8 +209,6 @@ void __init mem_init(void)
>   	setup_zero_pages();	/* Setup zeroed pages. */
>   
>   	cmma_init_nodat();
> -
> -	mem_init_print_info(NULL);
>   }
>   
>   void free_initmem(void)
> diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
> index 0db6919af8d3..168d7d4dd735 100644
> --- a/arch/sh/mm/init.c
> +++ b/arch/sh/mm/init.c
> @@ -359,7 +359,6 @@ void __init mem_init(void)
>   
>   	vsyscall_init();
>   
> -	mem_init_print_info(NULL);
>   	pr_info("virtual kernel memory layout:\n"
>   		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
>   		"    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
> diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
> index 6139c5700ccc..1e9f577f084d 100644
> --- a/arch/sparc/mm/init_32.c
> +++ b/arch/sparc/mm/init_32.c
> @@ -292,8 +292,6 @@ void __init mem_init(void)
>   
>   		map_high_region(start_pfn, end_pfn);
>   	}
> -
> -	mem_init_print_info(NULL);
>   }
>   
>   void sparc_flush_page_to_ram(struct page *page)
> diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
> index 182bb7bdaa0a..e454f179cf5d 100644
> --- a/arch/sparc/mm/init_64.c
> +++ b/arch/sparc/mm/init_64.c
> @@ -2520,7 +2520,6 @@ void __init mem_init(void)
>   	}
>   	mark_page_reserved(mem_map_zero);
>   
> -	mem_init_print_info(NULL);
>   
>   	if (tlb_type == cheetah || tlb_type == cheetah_plus)
>   		cheetah_ecache_flush_init();
> diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
> index 9242dc91d751..9019ff5905b1 100644
> --- a/arch/um/kernel/mem.c
> +++ b/arch/um/kernel/mem.c
> @@ -54,7 +54,6 @@ void __init mem_init(void)
>   	memblock_free_all();
>   	max_low_pfn = totalram_pages();
>   	max_pfn = max_low_pfn;
> -	mem_init_print_info(NULL);
>   	kmalloc_ok = 1;
>   }
>   
> diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
> index da31c2635ee4..21ffb03f6c72 100644
> --- a/arch/x86/mm/init_32.c
> +++ b/arch/x86/mm/init_32.c
> @@ -755,8 +755,6 @@ void __init mem_init(void)
>   	after_bootmem = 1;
>   	x86_init.hyper.init_after_bootmem();
>   
> -	mem_init_print_info(NULL);
> -
>   	/*
>   	 * Check boundaries twice: Some fundamental inconsistencies can
>   	 * be detected at build time already.
> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
> index 5430c81eefc9..aa8387aab9c1 100644
> --- a/arch/x86/mm/init_64.c
> +++ b/arch/x86/mm/init_64.c
> @@ -1350,8 +1350,6 @@ void __init mem_init(void)
>   		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
>   
>   	preallocate_vmalloc_pages();
> -
> -	mem_init_print_info(NULL);
>   }
>   
>   #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
> diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
> index 2daeba9e454e..6a32b2cf2718 100644
> --- a/arch/xtensa/mm/init.c
> +++ b/arch/xtensa/mm/init.c
> @@ -119,7 +119,6 @@ void __init mem_init(void)
>   
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
>   	pr_info("virtual kernel memory layout:\n"
>   #ifdef CONFIG_KASAN
>   		"    kasan   : 0x%08lx - 0x%08lx  (%5lu MB)\n"
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 89314651dd62..c2e0b3495c5a 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
>   					int poison, const char *s);
>   
>   extern void adjust_managed_page_count(struct page *page, long count);
> -extern void mem_init_print_info(const char *str);
> +extern void mem_init_print_info(void);
>   
>   extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
>   
> diff --git a/init/main.c b/init/main.c
> index 53b278845b88..5581af5b4cb7 100644
> --- a/init/main.c
> +++ b/init/main.c
> @@ -830,6 +830,7 @@ static void __init mm_init(void)
>   	report_meminit();
>   	stack_depot_init();
>   	mem_init();
> +	mem_init_print_info();
>   	/* page_owner must be initialized after buddy is ready */
>   	page_ext_init_flatmem_late();
>   	kmem_cache_init();
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 55d938297ce6..b5fe5962837c 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
>   	return pages;
>   }
>   
> -void __init mem_init_print_info(const char *str)
> +void __init mem_init_print_info(void)
>   {
>   	unsigned long physpages, codesize, datasize, rosize, bss_size;
>   	unsigned long init_code_size, init_data_size;
> @@ -7767,17 +7767,17 @@ void __init mem_init_print_info(const char *str)
>   #ifdef	CONFIG_HIGHMEM
>   		", %luK highmem"
>   #endif
> -		"%s%s)\n",
> +		")\n",
>   		nr_free_pages() << (PAGE_SHIFT - 10),
>   		physpages << (PAGE_SHIFT - 10),
>   		codesize >> 10, datasize >> 10, rosize >> 10,
>   		(init_data_size + init_code_size) >> 10, bss_size >> 10,
>   		(physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
> -		totalcma_pages << (PAGE_SHIFT - 10),
> +		totalcma_pages << (PAGE_SHIFT - 10)
>   #ifdef	CONFIG_HIGHMEM
> -		totalhigh_pages() << (PAGE_SHIFT - 10),
> +		, totalhigh_pages() << (PAGE_SHIFT - 10)
>   #endif
> -		str ? ", " : "", str ? str : "");
> +		);
>   }
>   
>   /**
> 

As I had roughly the same patch laying around here when playing with 
adjustments of the managed page counters

Acked-by: David Hildenbrand <david@redhat.com>

-- 
Thanks,

David / dhildenb


^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
  2021-03-17  5:48       ` Christophe Leroy
  2021-03-17 11:31       ` David Hildenbrand
@ 2021-03-17 14:03       ` Anatoly Pugachev
  2021-03-17 18:48       ` Dave Hansen
                         ` (4 subsequent siblings)
  7 siblings, 0 replies; 17+ messages in thread
From: Anatoly Pugachev @ 2021-03-17 14:03 UTC (permalink / raw)
  To: Kefeng Wang
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mips, linux-mm, Guo Ren, Sparc kernel list,
	linux-riscv, Jonas Bonn, linux-s390, Yoshinori Sato,
	linux-hexagon, Huacai Chen, Russell King, linux-csky,
	Ingo Molnar, linux-snps-arc, linux-xtensa, Heiko Carstens,
	linux-um, linux-m68k, openrisc, linux-arm-kernel,
	Richard Henderson, linux-parisc, Linux Kernel list,
	Palmer Dabbelt, linux-alpha, Andrew Morton, linuxppc-dev,
	David S. Miller

On Wed, Mar 17, 2021 at 4:51 AM Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
>
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
>
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
> v2:
> - Cleanup 'str' line suggested by Christophe and ACK

applied patch (5.12.0-rc3-00020-g1df27313f50a-dirty) over linus.git
and tested boot on a sparc64 virtual machine (ldom) - boots.

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
                         ` (2 preceding siblings ...)
  2021-03-17 14:03       ` Anatoly Pugachev
@ 2021-03-17 18:48       ` Dave Hansen
  2021-03-18  1:01         ` Kefeng Wang
  2021-03-18  0:40       ` Vineet Gupta
                         ` (3 subsequent siblings)
  7 siblings, 1 reply; 17+ messages in thread
From: Dave Hansen @ 2021-03-17 18:48 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller

On 3/16/21 6:52 PM, Kefeng Wang wrote:
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>

It's not a big deal but you might want to say something like:

Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # x86 bits

Just to make it clear that I didn't look at the alpha bits at all. :)

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
                         ` (3 preceding siblings ...)
  2021-03-17 18:48       ` Dave Hansen
@ 2021-03-18  0:40       ` Vineet Gupta
  2021-03-30 13:10       ` Kefeng Wang
                         ` (2 subsequent siblings)
  7 siblings, 0 replies; 17+ messages in thread
From: Vineet Gupta @ 2021-03-18  0:40 UTC (permalink / raw)
  To: Kefeng Wang, linux-kernel, Andrew Morton
  Cc: linux-ia64, Peter Zijlstra, Catalin Marinas, Dave Hansen,
	Guo Ren, Jonas Bonn, Yoshinori Sato, linux-hexagon, Huacai Chen,
	Russell King, linux-csky, linux-riscv, Ingo Molnar,
	linux-snps-arc, Heiko Carstens, linux-m68k, openrisc,
	linux-arm-kernel, Richard Henderson, linux-parisc, linux-mips,
	Palmer Dabbelt, linux-alpha, linuxppc-dev, David S. Miller

On 3/16/21 6:52 PM, Kefeng Wang wrote:
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>

Acked-by: Vineet Gupta <vgupta@synopsys.com>

Thx,
-Vineet

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17 18:48       ` Dave Hansen
@ 2021-03-18  1:01         ` Kefeng Wang
  0 siblings, 0 replies; 17+ messages in thread
From: Kefeng Wang @ 2021-03-18  1:01 UTC (permalink / raw)
  To: Dave Hansen, linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller


On 2021/3/18 2:48, Dave Hansen wrote:
> On 3/16/21 6:52 PM, Kefeng Wang wrote:
>> mem_init_print_info() is called in mem_init() on each architecture,
>> and pass NULL argument, so using void argument and move it into mm_init().
>>
>> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> It's not a big deal but you might want to say something like:
>
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # x86 bits
>
> Just to make it clear that I didn't look at the alpha bits at all. :)
Get it, will be careful, thanks.
> .
>

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
                         ` (4 preceding siblings ...)
  2021-03-18  0:40       ` Vineet Gupta
@ 2021-03-30 13:10       ` Kefeng Wang
  2021-03-31  9:28       ` Mike Rapoport
  2021-03-31  9:34       ` Russell King - ARM Linux admin
  7 siblings, 0 replies; 17+ messages in thread
From: Kefeng Wang @ 2021-03-30 13:10 UTC (permalink / raw)
  To: linux-kernel, Andrew Morton
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mm, Guo Ren, sparclinux, linux-riscv,
	Jonas Bonn, linux-s390, Yoshinori Sato, linux-hexagon,
	Huacai Chen, Russell King, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-mips, Palmer Dabbelt, linux-alpha,
	linuxppc-dev, David S. Miller

Hi Andrew, kindly ping

On 2021/3/17 9:52, Kefeng Wang wrote:
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
>
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---
> v2:
> - Cleanup 'str' line suggested by Christophe and ACK
>
>   arch/alpha/mm/init.c             |  1 -
>   arch/arc/mm/init.c               |  1 -
>   arch/arm/mm/init.c               |  2 --
>   arch/arm64/mm/init.c             |  2 --
>   arch/csky/mm/init.c              |  1 -
>   arch/h8300/mm/init.c             |  2 --
>   arch/hexagon/mm/init.c           |  1 -
>   arch/ia64/mm/init.c              |  1 -
>   arch/m68k/mm/init.c              |  1 -
>   arch/microblaze/mm/init.c        |  1 -
>   arch/mips/loongson64/numa.c      |  1 -
>   arch/mips/mm/init.c              |  1 -
>   arch/mips/sgi-ip27/ip27-memory.c |  1 -
>   arch/nds32/mm/init.c             |  1 -
>   arch/nios2/mm/init.c             |  1 -
>   arch/openrisc/mm/init.c          |  2 --
>   arch/parisc/mm/init.c            |  2 --
>   arch/powerpc/mm/mem.c            |  1 -
>   arch/riscv/mm/init.c             |  1 -
>   arch/s390/mm/init.c              |  2 --
>   arch/sh/mm/init.c                |  1 -
>   arch/sparc/mm/init_32.c          |  2 --
>   arch/sparc/mm/init_64.c          |  1 -
>   arch/um/kernel/mem.c             |  1 -
>   arch/x86/mm/init_32.c            |  2 --
>   arch/x86/mm/init_64.c            |  2 --
>   arch/xtensa/mm/init.c            |  1 -
>   include/linux/mm.h               |  2 +-
>   init/main.c                      |  1 +
>   mm/page_alloc.c                  | 10 +++++-----
>   30 files changed, 7 insertions(+), 42 deletions(-)
>
> diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
> index 3c42b3147fd6..a97650a618f1 100644
> --- a/arch/alpha/mm/init.c
> +++ b/arch/alpha/mm/init.c
> @@ -282,5 +282,4 @@ mem_init(void)
>   	set_max_mapnr(max_low_pfn);
>   	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
> index ce07e697916c..33832e36bdb7 100644
> --- a/arch/arc/mm/init.c
> +++ b/arch/arc/mm/init.c
> @@ -194,7 +194,6 @@ void __init mem_init(void)
>   {
>   	memblock_free_all();
>   	highmem_init();
> -	mem_init_print_info(NULL);
>   }
>   
>   #ifdef CONFIG_HIGHMEM
> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> index 828a2561b229..7022b7b5c400 100644
> --- a/arch/arm/mm/init.c
> +++ b/arch/arm/mm/init.c
> @@ -316,8 +316,6 @@ void __init mem_init(void)
>   
>   	free_highpages();
>   
> -	mem_init_print_info(NULL);
> -
>   	/*
>   	 * Check boundaries twice: Some fundamental inconsistencies can
>   	 * be detected at build time already.
> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
> index 3685e12aba9b..e8f29a0bb2f1 100644
> --- a/arch/arm64/mm/init.c
> +++ b/arch/arm64/mm/init.c
> @@ -491,8 +491,6 @@ void __init mem_init(void)
>   	/* this will put all unused low memory onto the freelists */
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
> -
>   	/*
>   	 * Check boundaries twice: Some fundamental inconsistencies can be
>   	 * detected at build time already.
> diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
> index 894050a8ce09..bf2004aa811a 100644
> --- a/arch/csky/mm/init.c
> +++ b/arch/csky/mm/init.c
> @@ -107,7 +107,6 @@ void __init mem_init(void)
>   			free_highmem_page(page);
>   	}
>   #endif
> -	mem_init_print_info(NULL);
>   }
>   
>   void free_initmem(void)
> diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
> index 1f3b345d68b9..f7bf4693e3b2 100644
> --- a/arch/h8300/mm/init.c
> +++ b/arch/h8300/mm/init.c
> @@ -98,6 +98,4 @@ void __init mem_init(void)
>   
>   	/* this will put all low memory onto the freelists */
>   	memblock_free_all();
> -
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
> index f2e6c868e477..f01e91e10d95 100644
> --- a/arch/hexagon/mm/init.c
> +++ b/arch/hexagon/mm/init.c
> @@ -55,7 +55,6 @@ void __init mem_init(void)
>   {
>   	/*  No idea where this is actually declared.  Seems to evade LXR.  */
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   
>   	/*
>   	 *  To-Do:  someone somewhere should wipe out the bootmem map
> diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
> index 16d0d7d22657..83280e2df807 100644
> --- a/arch/ia64/mm/init.c
> +++ b/arch/ia64/mm/init.c
> @@ -659,7 +659,6 @@ mem_init (void)
>   	set_max_mapnr(max_low_pfn);
>   	high_memory = __va(max_low_pfn * PAGE_SIZE);
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   
>   	/*
>   	 * For fsyscall entrpoints with no light-weight handler, use the ordinary
> diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
> index 14c1e541451c..1759ab875d47 100644
> --- a/arch/m68k/mm/init.c
> +++ b/arch/m68k/mm/init.c
> @@ -153,5 +153,4 @@ void __init mem_init(void)
>   	/* this will put all memory onto the freelists */
>   	memblock_free_all();
>   	init_pointer_tables();
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
> index 05cf1fb3f5ff..ab55c70380a5 100644
> --- a/arch/microblaze/mm/init.c
> +++ b/arch/microblaze/mm/init.c
> @@ -131,7 +131,6 @@ void __init mem_init(void)
>   	highmem_setup();
>   #endif
>   
> -	mem_init_print_info(NULL);
>   	mem_init_done = 1;
>   }
>   
> diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
> index 8315c871c435..fa9b4a487a47 100644
> --- a/arch/mips/loongson64/numa.c
> +++ b/arch/mips/loongson64/numa.c
> @@ -178,7 +178,6 @@ void __init mem_init(void)
>   	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
>   	memblock_free_all();
>   	setup_zero_pages();	/* This comes from node 0 */
> -	mem_init_print_info(NULL);
>   }
>   
>   /* All PCI device belongs to logical Node-0 */
> diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
> index 5cb73bf74a8b..c36358758969 100644
> --- a/arch/mips/mm/init.c
> +++ b/arch/mips/mm/init.c
> @@ -467,7 +467,6 @@ void __init mem_init(void)
>   	memblock_free_all();
>   	setup_zero_pages();	/* Setup zeroed pages.  */
>   	mem_init_free_highmem();
> -	mem_init_print_info(NULL);
>   
>   #ifdef CONFIG_64BIT
>   	if ((unsigned long) &_text > (unsigned long) CKSEG0)
> diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
> index 87bb6945ec25..6173684b5aaa 100644
> --- a/arch/mips/sgi-ip27/ip27-memory.c
> +++ b/arch/mips/sgi-ip27/ip27-memory.c
> @@ -420,5 +420,4 @@ void __init mem_init(void)
>   	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
>   	memblock_free_all();
>   	setup_zero_pages();	/* This comes from node 0 */
> -	mem_init_print_info(NULL);
>   }
> diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
> index fa86f7b2f416..f63f839738c4 100644
> --- a/arch/nds32/mm/init.c
> +++ b/arch/nds32/mm/init.c
> @@ -191,7 +191,6 @@ void __init mem_init(void)
>   
>   	/* this will put all low memory onto the freelists */
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   
>   	pr_info("virtual kernel memory layout:\n"
>   		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
> diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
> index 61862dbb0e32..613fcaa5988a 100644
> --- a/arch/nios2/mm/init.c
> +++ b/arch/nios2/mm/init.c
> @@ -71,7 +71,6 @@ void __init mem_init(void)
>   
>   	/* this will put all memory onto the freelists */
>   	memblock_free_all();
> -	mem_init_print_info(NULL);
>   }
>   
>   void __init mmu_init(void)
> diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
> index bf9b2310fc93..d5641198b90c 100644
> --- a/arch/openrisc/mm/init.c
> +++ b/arch/openrisc/mm/init.c
> @@ -211,8 +211,6 @@ void __init mem_init(void)
>   	/* this will put all low memory onto the freelists */
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
> -
>   	printk("mem_init_done ...........................................\n");
>   	mem_init_done = 1;
>   	return;
> diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
> index 9ca4e4ff6895..591a4e939415 100644
> --- a/arch/parisc/mm/init.c
> +++ b/arch/parisc/mm/init.c
> @@ -573,8 +573,6 @@ void __init mem_init(void)
>   #endif
>   		parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
>   
> -	mem_init_print_info(NULL);
> -
>   #if 0
>   	/*
>   	 * Do not expose the virtual kernel memory layout to userspace.
> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
> index 4e8ce6d85232..7e11c4cb08b8 100644
> --- a/arch/powerpc/mm/mem.c
> +++ b/arch/powerpc/mm/mem.c
> @@ -312,7 +312,6 @@ void __init mem_init(void)
>   		(mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
>   #endif
>   
> -	mem_init_print_info(NULL);
>   #ifdef CONFIG_PPC32
>   	pr_info("Kernel virtual memory layout:\n");
>   #ifdef CONFIG_KASAN
> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
> index 7f5036fbee8c..3c5ee3b7d811 100644
> --- a/arch/riscv/mm/init.c
> +++ b/arch/riscv/mm/init.c
> @@ -102,7 +102,6 @@ void __init mem_init(void)
>   	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
>   	print_vm_layout();
>   }
>   
> diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
> index 0e76b2127dc6..8ac710de1ab1 100644
> --- a/arch/s390/mm/init.c
> +++ b/arch/s390/mm/init.c
> @@ -209,8 +209,6 @@ void __init mem_init(void)
>   	setup_zero_pages();	/* Setup zeroed pages. */
>   
>   	cmma_init_nodat();
> -
> -	mem_init_print_info(NULL);
>   }
>   
>   void free_initmem(void)
> diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
> index 0db6919af8d3..168d7d4dd735 100644
> --- a/arch/sh/mm/init.c
> +++ b/arch/sh/mm/init.c
> @@ -359,7 +359,6 @@ void __init mem_init(void)
>   
>   	vsyscall_init();
>   
> -	mem_init_print_info(NULL);
>   	pr_info("virtual kernel memory layout:\n"
>   		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
>   		"    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
> diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
> index 6139c5700ccc..1e9f577f084d 100644
> --- a/arch/sparc/mm/init_32.c
> +++ b/arch/sparc/mm/init_32.c
> @@ -292,8 +292,6 @@ void __init mem_init(void)
>   
>   		map_high_region(start_pfn, end_pfn);
>   	}
> -
> -	mem_init_print_info(NULL);
>   }
>   
>   void sparc_flush_page_to_ram(struct page *page)
> diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
> index 182bb7bdaa0a..e454f179cf5d 100644
> --- a/arch/sparc/mm/init_64.c
> +++ b/arch/sparc/mm/init_64.c
> @@ -2520,7 +2520,6 @@ void __init mem_init(void)
>   	}
>   	mark_page_reserved(mem_map_zero);
>   
> -	mem_init_print_info(NULL);
>   
>   	if (tlb_type == cheetah || tlb_type == cheetah_plus)
>   		cheetah_ecache_flush_init();
> diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
> index 9242dc91d751..9019ff5905b1 100644
> --- a/arch/um/kernel/mem.c
> +++ b/arch/um/kernel/mem.c
> @@ -54,7 +54,6 @@ void __init mem_init(void)
>   	memblock_free_all();
>   	max_low_pfn = totalram_pages();
>   	max_pfn = max_low_pfn;
> -	mem_init_print_info(NULL);
>   	kmalloc_ok = 1;
>   }
>   
> diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
> index da31c2635ee4..21ffb03f6c72 100644
> --- a/arch/x86/mm/init_32.c
> +++ b/arch/x86/mm/init_32.c
> @@ -755,8 +755,6 @@ void __init mem_init(void)
>   	after_bootmem = 1;
>   	x86_init.hyper.init_after_bootmem();
>   
> -	mem_init_print_info(NULL);
> -
>   	/*
>   	 * Check boundaries twice: Some fundamental inconsistencies can
>   	 * be detected at build time already.
> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
> index 5430c81eefc9..aa8387aab9c1 100644
> --- a/arch/x86/mm/init_64.c
> +++ b/arch/x86/mm/init_64.c
> @@ -1350,8 +1350,6 @@ void __init mem_init(void)
>   		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
>   
>   	preallocate_vmalloc_pages();
> -
> -	mem_init_print_info(NULL);
>   }
>   
>   #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
> diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
> index 2daeba9e454e..6a32b2cf2718 100644
> --- a/arch/xtensa/mm/init.c
> +++ b/arch/xtensa/mm/init.c
> @@ -119,7 +119,6 @@ void __init mem_init(void)
>   
>   	memblock_free_all();
>   
> -	mem_init_print_info(NULL);
>   	pr_info("virtual kernel memory layout:\n"
>   #ifdef CONFIG_KASAN
>   		"    kasan   : 0x%08lx - 0x%08lx  (%5lu MB)\n"
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 89314651dd62..c2e0b3495c5a 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2373,7 +2373,7 @@ extern unsigned long free_reserved_area(void *start, void *end,
>   					int poison, const char *s);
>   
>   extern void adjust_managed_page_count(struct page *page, long count);
> -extern void mem_init_print_info(const char *str);
> +extern void mem_init_print_info(void);
>   
>   extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
>   
> diff --git a/init/main.c b/init/main.c
> index 53b278845b88..5581af5b4cb7 100644
> --- a/init/main.c
> +++ b/init/main.c
> @@ -830,6 +830,7 @@ static void __init mm_init(void)
>   	report_meminit();
>   	stack_depot_init();
>   	mem_init();
> +	mem_init_print_info();
>   	/* page_owner must be initialized after buddy is ready */
>   	page_ext_init_flatmem_late();
>   	kmem_cache_init();
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 55d938297ce6..b5fe5962837c 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -7728,7 +7728,7 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
>   	return pages;
>   }
>   
> -void __init mem_init_print_info(const char *str)
> +void __init mem_init_print_info(void)
>   {
>   	unsigned long physpages, codesize, datasize, rosize, bss_size;
>   	unsigned long init_code_size, init_data_size;
> @@ -7767,17 +7767,17 @@ void __init mem_init_print_info(const char *str)
>   #ifdef	CONFIG_HIGHMEM
>   		", %luK highmem"
>   #endif
> -		"%s%s)\n",
> +		")\n",
>   		nr_free_pages() << (PAGE_SHIFT - 10),
>   		physpages << (PAGE_SHIFT - 10),
>   		codesize >> 10, datasize >> 10, rosize >> 10,
>   		(init_data_size + init_code_size) >> 10, bss_size >> 10,
>   		(physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
> -		totalcma_pages << (PAGE_SHIFT - 10),
> +		totalcma_pages << (PAGE_SHIFT - 10)
>   #ifdef	CONFIG_HIGHMEM
> -		totalhigh_pages() << (PAGE_SHIFT - 10),
> +		, totalhigh_pages() << (PAGE_SHIFT - 10)
>   #endif
> -		str ? ", " : "", str ? str : "");
> +		);
>   }
>   
>   /**

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
                         ` (5 preceding siblings ...)
  2021-03-30 13:10       ` Kefeng Wang
@ 2021-03-31  9:28       ` Mike Rapoport
  2021-03-31  9:34       ` Russell King - ARM Linux admin
  7 siblings, 0 replies; 17+ messages in thread
From: Mike Rapoport @ 2021-03-31  9:28 UTC (permalink / raw)
  To: Kefeng Wang
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mips, linux-mm, Guo Ren, sparclinux,
	linux-riscv, Jonas Bonn, linux-s390, Yoshinori Sato,
	linux-hexagon, Huacai Chen, Russell King, linux-csky,
	Ingo Molnar, linux-snps-arc, linux-xtensa, Heiko Carstens,
	linux-um, linux-m68k, openrisc, linux-arm-kernel,
	Richard Henderson, linux-parisc, linux-kernel, Palmer Dabbelt,
	linux-alpha, Andrew Morton, linuxppc-dev, David S. Miller

On Wed, Mar 17, 2021 at 09:52:10AM +0800, Kefeng Wang wrote:
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>

Acked-by: Mike Rapoport <rppt@linux.ibm.com>

> ---
> v2:
> - Cleanup 'str' line suggested by Christophe and ACK
> 

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [PATCH v2] mm: Move mem_init_print_info() into mm_init()
  2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
                         ` (6 preceding siblings ...)
  2021-03-31  9:28       ` Mike Rapoport
@ 2021-03-31  9:34       ` Russell King - ARM Linux admin
  7 siblings, 0 replies; 17+ messages in thread
From: Russell King - ARM Linux admin @ 2021-03-31  9:34 UTC (permalink / raw)
  To: Kefeng Wang
  Cc: linux-ia64, linux-sh, Peter Zijlstra, Catalin Marinas,
	Dave Hansen, linux-mips, linux-mm, Guo Ren, sparclinux,
	linux-riscv, Jonas Bonn, linux-s390, Yoshinori Sato,
	linux-hexagon, Huacai Chen, linux-csky, Ingo Molnar,
	linux-snps-arc, linux-xtensa, Heiko Carstens, linux-um,
	linux-m68k, openrisc, linux-arm-kernel, Richard Henderson,
	linux-parisc, linux-kernel, Palmer Dabbelt, linux-alpha,
	Andrew Morton, linuxppc-dev, David S. Miller

On Wed, Mar 17, 2021 at 09:52:10AM +0800, Kefeng Wang wrote:
> mem_init_print_info() is called in mem_init() on each architecture,
> and pass NULL argument, so using void argument and move it into mm_init().
> 
> Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>

Acked-by: Russell King <rmk+kernel@armlinux.org.uk> # for arm bits
-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

^ permalink raw reply	[flat|nested] 17+ messages in thread

end of thread, other threads:[~2021-03-31  9:36 UTC | newest]

Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-16 14:26 [PATCH] mm: Move mem_init_print_info() into mm_init() Kefeng Wang
2021-03-16 14:47 ` Christophe Leroy
2021-03-16 15:04   ` Kefeng Wang
2021-03-16 15:29 ` [PATCH RESEND] " Kefeng Wang
2021-03-16 15:45   ` Christophe Leroy
2021-03-17  1:52     ` [PATCH v2] " Kefeng Wang
2021-03-17  5:48       ` Christophe Leroy
2021-03-17  5:57         ` Kefeng Wang
2021-03-17 11:31       ` David Hildenbrand
2021-03-17 14:03       ` Anatoly Pugachev
2021-03-17 18:48       ` Dave Hansen
2021-03-18  1:01         ` Kefeng Wang
2021-03-18  0:40       ` Vineet Gupta
2021-03-30 13:10       ` Kefeng Wang
2021-03-31  9:28       ` Mike Rapoport
2021-03-31  9:34       ` Russell King - ARM Linux admin
2021-03-16 21:16 ` [PATCH] " Dave Hansen

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