* [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
@ 2021-06-15 11:08 Aneesh Kumar K.V
2021-06-15 11:08 ` [PATCH v2 2/2] mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * Aneesh Kumar K.V
2021-06-15 11:41 ` [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Geert Uytterhoeven
0 siblings, 2 replies; 3+ messages in thread
From: Aneesh Kumar K.V @ 2021-06-15 11:08 UTC (permalink / raw)
To: linux-mm
Cc: akpm, Linus Torvalds, Aneesh Kumar K.V, linux-alpha,
linux-kernel, linux-arm-kernel, linux-ia64, linux-m68k,
linux-mips, linux-parisc, linuxppc-dev, linux-riscv, linux-sh,
sparclinux, linux-um, linux-arch
No functional change in this patch.
Cc: linux-alpha@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-mips@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-riscv@lists.infradead.org
Cc: linux-sh@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: linux-um@lists.infradead.org
Cc: linux-arch@vger.kernel.org
Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
arch/alpha/include/asm/pgtable.h | 8 +++++---
arch/arm/include/asm/pgtable-3level.h | 2 +-
arch/arm64/include/asm/pgtable.h | 4 ++--
arch/ia64/include/asm/pgtable.h | 2 +-
arch/m68k/include/asm/motorola_pgtable.h | 2 +-
arch/mips/include/asm/pgtable-64.h | 4 ++--
arch/parisc/include/asm/pgtable.h | 4 ++--
arch/powerpc/include/asm/book3s/64/pgtable.h | 6 +++++-
arch/powerpc/include/asm/nohash/64/pgtable.h | 6 +++++-
arch/powerpc/mm/book3s64/radix_pgtable.c | 4 ++--
arch/powerpc/mm/pgtable_64.c | 2 +-
arch/riscv/include/asm/pgtable-64.h | 4 ++--
arch/sh/include/asm/pgtable-3level.h | 4 ++--
arch/sparc/include/asm/pgtable_32.h | 4 ++--
arch/sparc/include/asm/pgtable_64.h | 6 +++---
arch/um/include/asm/pgtable-3level.h | 2 +-
arch/x86/include/asm/pgtable.h | 4 ++--
arch/x86/mm/pat/set_memory.c | 4 ++--
arch/x86/mm/pgtable.c | 2 +-
include/asm-generic/pgtable-nopmd.h | 2 +-
include/asm-generic/pgtable-nopud.h | 2 +-
include/linux/pgtable.h | 2 +-
22 files changed, 45 insertions(+), 35 deletions(-)
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index 8d856c62e22a..be02e4e403d1 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -239,8 +239,10 @@ pmd_page_vaddr(pmd_t pmd)
#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> 32))
#define pud_page(pud) (pfn_to_page(pud_val(pud) >> 32))
-extern inline unsigned long pud_page_vaddr(pud_t pgd)
-{ return PAGE_OFFSET + ((pud_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)); }
+static inline pmd_t *pud_pgtable(pud_t pgd)
+{
+ return (pmd_t *)(PAGE_OFFSET + ((pud_val(pgd) & _PFN_MASK) >> (32-PAGE_SHIFT)));
+}
extern inline int pte_none(pte_t pte) { return !pte_val(pte); }
extern inline int pte_present(pte_t pte) { return pte_val(pte) & _PAGE_VALID; }
@@ -290,7 +292,7 @@ extern inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |= __ACCESS_BITS; retu
/* Find an entry in the second-level page table.. */
extern inline pmd_t * pmd_offset(pud_t * dir, unsigned long address)
{
- pmd_t *ret = (pmd_t *) pud_page_vaddr(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
+ pmd_t *ret = pud_pgtable(*dir) + ((address >> PMD_SHIFT) & (PTRS_PER_PAGE - 1));
smp_rmb(); /* see above */
return ret;
}
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index d4edab51a77c..eabe72ff7381 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -130,7 +130,7 @@
flush_pmd_entry(pudp); \
} while (0)
-static inline pmd_t *pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
return __va(pud_val(pud) & PHYS_MASK & (s32)PAGE_MASK);
}
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 0b10204e72fc..53a415b329b0 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -636,9 +636,9 @@ static inline phys_addr_t pud_page_paddr(pud_t pud)
return __pud_to_phys(pud);
}
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
- return (unsigned long)__va(pud_page_paddr(pud));
+ return (pmd_t *)__va(pud_page_paddr(pud));
}
/* Find an entry in the second-level page table. */
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index d765fd948fae..b2ddfbe70365 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -274,7 +274,7 @@ ia64_phys_addr_valid (unsigned long addr)
#define pud_bad(pud) (!ia64_phys_addr_valid(pud_val(pud)))
#define pud_present(pud) (pud_val(pud) != 0UL)
#define pud_clear(pudp) (pud_val(*(pudp)) = 0UL)
-#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & _PFN_MASK))
+#define pud_pgtable(pud) ((pmd_t *) __va(pud_val(pud) & _PFN_MASK))
#define pud_page(pud) virt_to_page((pud_val(pud) + PAGE_OFFSET))
#if CONFIG_PGTABLE_LEVELS == 4
diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h
index 8076467eff4b..956c80874f98 100644
--- a/arch/m68k/include/asm/motorola_pgtable.h
+++ b/arch/m68k/include/asm/motorola_pgtable.h
@@ -129,7 +129,7 @@ static inline void pud_set(pud_t *pudp, pmd_t *pmdp)
#define __pte_page(pte) ((unsigned long)__va(pte_val(pte) & PAGE_MASK))
#define pmd_page_vaddr(pmd) ((unsigned long)__va(pmd_val(pmd) & _TABLE_MASK))
-#define pud_page_vaddr(pud) ((unsigned long)__va(pud_val(pud) & _TABLE_MASK))
+#define pud_pgtable(pud) ((pmd_t *)__va(pud_val(pud) & _TABLE_MASK))
#define pte_none(pte) (!pte_val(pte))
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 1e7d6ce9d8d6..ab305453e90f 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -314,9 +314,9 @@ static inline void pud_clear(pud_t *pudp)
#endif
#ifndef __PAGETABLE_PMD_FOLDED
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
- return pud_val(pud);
+ return (pmd_t *)pud_val(pud);
}
#define pud_phys(pud) virt_to_phys((void *)pud_val(pud))
#define pud_page(pud) (pfn_to_page(pud_phys(pud) >> PAGE_SHIFT))
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 39017210dbf0..7218345a447f 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -324,8 +324,8 @@ static inline void pmd_clear(pmd_t *pmd) {
#if CONFIG_PGTABLE_LEVELS == 3
-#define pud_page_vaddr(pud) ((unsigned long) __va(pud_address(pud)))
-#define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud))
+#define pud_pgtable(pud) ((pmd_t *) __va(pud_address(pud)))
+#define pud_page(pud) virt_to_page((void *)pud_pgtable(pud))
/* For 64 bit we have three level tables */
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index a666d561b44d..40bafe1e80c9 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1048,9 +1048,13 @@ extern struct page *p4d_page(p4d_t p4d);
/* Pointers in the page table tree are physical addresses */
#define __pgtable_ptr_val(ptr) __pa(ptr)
-#define pud_page_vaddr(pud) __va(pud_val(pud) & ~PUD_MASKED_BITS)
#define p4d_page_vaddr(p4d) __va(p4d_val(p4d) & ~P4D_MASKED_BITS)
+static inline pmd_t *pud_pgtable(pud_t pud)
+{
+ return (pmd_t *)__va(pud_val(pud) & ~PUD_MASKED_BITS);
+}
+
#define pte_ERROR(e) \
pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
#define pmd_ERROR(e) \
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 57cd3892bfe0..4158c90c572a 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -164,7 +164,11 @@ static inline void pud_clear(pud_t *pudp)
#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \
|| (pud_val(pud) & PUD_BAD_BITS))
#define pud_present(pud) (pud_val(pud) != 0)
-#define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS)
+
+static inline pmd_t *pud_pgtable(pud_t pud)
+{
+ return (pmd_t *)(pud_val(pud) & ~PUD_MASKED_BITS);
+}
extern struct page *pud_page(pud_t pud);
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index 5fef8db3b463..b663d8f9f05c 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -825,7 +825,7 @@ static void __meminit remove_pud_table(pud_t *pud_start, unsigned long addr,
continue;
}
- pmd_base = (pmd_t *)pud_page_vaddr(*pud);
+ pmd_base = pud_pgtable(*pud);
remove_pmd_table(pmd_base, addr, next);
free_pmd_table(pmd_base, pud);
}
@@ -1110,7 +1110,7 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr)
pmd_t *pmd;
int i;
- pmd = (pmd_t *)pud_page_vaddr(*pud);
+ pmd = pud_pgtable(*pud);
pud_clear(pud);
flush_tlb_kernel_range(addr, addr + PUD_SIZE);
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index cc6e2f94517f..4ba311808bdb 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -115,7 +115,7 @@ struct page *pud_page(pud_t pud)
VM_WARN_ON(!pud_huge(pud));
return pte_page(pud_pte(pud));
}
- return virt_to_page(pud_page_vaddr(pud));
+ return virt_to_page(pud_pgtable(pud));
}
/*
diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h
index f3b0da64c6c8..0e863f3f7187 100644
--- a/arch/riscv/include/asm/pgtable-64.h
+++ b/arch/riscv/include/asm/pgtable-64.h
@@ -60,9 +60,9 @@ static inline void pud_clear(pud_t *pudp)
set_pud(pudp, __pud(0));
}
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
- return (unsigned long)pfn_to_virt(pud_val(pud) >> _PAGE_PFN_SHIFT);
+ return (pmd_t *)pfn_to_virt(pud_val(pud) >> _PAGE_PFN_SHIFT);
}
static inline struct page *pud_page(pud_t pud)
diff --git a/arch/sh/include/asm/pgtable-3level.h b/arch/sh/include/asm/pgtable-3level.h
index 82d74472dfcd..56bf35c2f29c 100644
--- a/arch/sh/include/asm/pgtable-3level.h
+++ b/arch/sh/include/asm/pgtable-3level.h
@@ -32,9 +32,9 @@ typedef struct { unsigned long long pmd; } pmd_t;
#define pmd_val(x) ((x).pmd)
#define __pmd(x) ((pmd_t) { (x) } )
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
- return pud_val(pud);
+ return (pmd_t *)pud_val(pud);
}
/* only used by the stubbed out hugetlb gup code, should never be called */
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index a5cf79c149fe..affd70ab02c8 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -152,13 +152,13 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
return (unsigned long)__nocache_va(v << 4);
}
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
if (srmmu_device_memory(pud_val(pud))) {
return ~0;
} else {
unsigned long v = pud_val(pud) & SRMMU_PTD_PMASK;
- return (unsigned long)__nocache_va(v << 4);
+ return (pmd_t *)__nocache_va(v << 4);
}
}
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 550d3904de65..534ec872fa2c 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -845,18 +845,18 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
return ((unsigned long) __va(pfn << PAGE_SHIFT));
}
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
pte_t pte = __pte(pud_val(pud));
unsigned long pfn;
pfn = pte_pfn(pte);
- return ((unsigned long) __va(pfn << PAGE_SHIFT));
+ return ((pmd_t *) __va(pfn << PAGE_SHIFT));
}
#define pmd_page(pmd) virt_to_page((void *)pmd_page_vaddr(pmd))
-#define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud))
+#define pud_page(pud) virt_to_page((void *)pud_pgtable(pud))
#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL)
#define pud_present(pud) (pud_val(pud) != 0U)
#define pud_clear(pudp) (pud_val(*(pudp)) = 0UL)
diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
index 7e6a4180db9d..091bff319ccd 100644
--- a/arch/um/include/asm/pgtable-3level.h
+++ b/arch/um/include/asm/pgtable-3level.h
@@ -84,7 +84,7 @@ static inline void pud_clear (pud_t *pud)
}
#define pud_page(pud) phys_to_page(pud_val(pud) & PAGE_MASK)
-#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PAGE_MASK))
+#define pud_pgtable(pud) ((pmd_t *) __va(pud_val(pud) & PAGE_MASK))
static inline unsigned long pte_pfn(pte_t pte)
{
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index b1099f2d9800..35a34ca6f2e9 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -865,9 +865,9 @@ static inline int pud_present(pud_t pud)
return pud_flags(pud) & _PAGE_PRESENT;
}
-static inline unsigned long pud_page_vaddr(pud_t pud)
+static inline pmd_t *pud_pgtable(pud_t pud)
{
- return (unsigned long)__va(pud_val(pud) & pud_pfn_mask(pud));
+ return (pmd_t *)__va(pud_val(pud) & pud_pfn_mask(pud));
}
/*
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 156cd235659f..ad8a5c586a35 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -1134,7 +1134,7 @@ static void __unmap_pmd_range(pud_t *pud, pmd_t *pmd,
unsigned long start, unsigned long end)
{
if (unmap_pte_range(pmd, start, end))
- if (try_to_free_pmd_page((pmd_t *)pud_page_vaddr(*pud)))
+ if (try_to_free_pmd_page(pud_pgtable(*pud)))
pud_clear(pud);
}
@@ -1178,7 +1178,7 @@ static void unmap_pmd_range(pud_t *pud, unsigned long start, unsigned long end)
* Try again to free the PMD page if haven't succeeded above.
*/
if (!pud_none(*pud))
- if (try_to_free_pmd_page((pmd_t *)pud_page_vaddr(*pud)))
+ if (try_to_free_pmd_page(pud_pgtable(*pud)))
pud_clear(pud);
}
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index d27cf69e811d..3481b35cb4ec 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -797,7 +797,7 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr)
pte_t *pte;
int i;
- pmd = (pmd_t *)pud_page_vaddr(*pud);
+ pmd = pud_pgtable(*pud);
pmd_sv = (pmd_t *)__get_free_page(GFP_KERNEL);
if (!pmd_sv)
return 0;
diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
index 3e13acd019ae..10789cf51d16 100644
--- a/include/asm-generic/pgtable-nopmd.h
+++ b/include/asm-generic/pgtable-nopmd.h
@@ -51,7 +51,7 @@ static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address)
#define __pmd(x) ((pmd_t) { __pud(x) } )
#define pud_page(pud) (pmd_page((pmd_t){ pud }))
-#define pud_page_vaddr(pud) (pmd_page_vaddr((pmd_t){ pud }))
+#define pud_pgtable(pud) ((pmd_t *)(pmd_page_vaddr((pmd_t){ pud })))
/*
* allocating and freeing a pmd is trivial: the 1-entry pmd is
diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
index a9d751fbda9e..7cbd15f70bf5 100644
--- a/include/asm-generic/pgtable-nopud.h
+++ b/include/asm-generic/pgtable-nopud.h
@@ -49,7 +49,7 @@ static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address)
#define __pud(x) ((pud_t) { __p4d(x) })
#define p4d_page(p4d) (pud_page((pud_t){ p4d }))
-#define p4d_page_vaddr(p4d) (pud_page_vaddr((pud_t){ p4d }))
+#define p4d_page_vaddr(p4d) (pud_pgtable((pud_t){ p4d }))
/*
* allocating and freeing a pud is trivial: the 1-entry pud is
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index a43047b1030d..311984f87cf9 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -88,7 +88,7 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
#ifndef pmd_offset
static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
{
- return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address);
+ return pud_pgtable(*pud) + pmd_index(address);
}
#define pmd_offset pmd_offset
#endif
--
2.31.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2 2/2] mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
2021-06-15 11:08 [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Aneesh Kumar K.V
@ 2021-06-15 11:08 ` Aneesh Kumar K.V
2021-06-15 11:41 ` [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Geert Uytterhoeven
1 sibling, 0 replies; 3+ messages in thread
From: Aneesh Kumar K.V @ 2021-06-15 11:08 UTC (permalink / raw)
To: linux-mm
Cc: akpm, Linus Torvalds, Aneesh Kumar K.V, linux-alpha,
linux-kernel, linux-arm-kernel, linux-ia64, linux-m68k,
linux-mips, linux-parisc, linuxppc-dev, linux-riscv, linux-sh,
sparclinux, linux-um, linux-arch
No functional change in this patch.
Cc: linux-alpha@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-mips@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-riscv@lists.infradead.org
Cc: linux-sh@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: linux-um@lists.infradead.org
Cc: linux-arch@vger.kernel.org
Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
arch/arm64/include/asm/pgtable.h | 4 ++--
arch/ia64/include/asm/pgtable.h | 2 +-
arch/mips/include/asm/pgtable-64.h | 4 ++--
arch/powerpc/include/asm/book3s/64/pgtable.h | 5 ++++-
arch/powerpc/include/asm/nohash/64/pgtable-4k.h | 6 +++++-
arch/powerpc/mm/book3s64/radix_pgtable.c | 2 +-
arch/powerpc/mm/pgtable_64.c | 2 +-
arch/sparc/include/asm/pgtable_64.h | 4 ++--
arch/x86/include/asm/pgtable.h | 4 ++--
arch/x86/mm/init_64.c | 4 ++--
include/asm-generic/pgtable-nop4d.h | 2 +-
include/asm-generic/pgtable-nopud.h | 2 +-
include/linux/pgtable.h | 2 +-
13 files changed, 25 insertions(+), 18 deletions(-)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 53a415b329b0..fde06639fff8 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -697,9 +697,9 @@ static inline phys_addr_t p4d_page_paddr(p4d_t p4d)
return __p4d_to_phys(p4d);
}
-static inline unsigned long p4d_page_vaddr(p4d_t p4d)
+static inline pud_t *p4d_pgtable(p4d_t p4d)
{
- return (unsigned long)__va(p4d_page_paddr(p4d));
+ return (pud_t *)__va(p4d_page_paddr(p4d));
}
/* Find an entry in the frst-level page table. */
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index b2ddfbe70365..a2d5098b299a 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -282,7 +282,7 @@ ia64_phys_addr_valid (unsigned long addr)
#define p4d_bad(p4d) (!ia64_phys_addr_valid(p4d_val(p4d)))
#define p4d_present(p4d) (p4d_val(p4d) != 0UL)
#define p4d_clear(p4dp) (p4d_val(*(p4dp)) = 0UL)
-#define p4d_page_vaddr(p4d) ((unsigned long) __va(p4d_val(p4d) & _PFN_MASK))
+#define p4d_pgtable(p4d) ((pud_t *) __va(p4d_val(p4d) & _PFN_MASK))
#define p4d_page(p4d) virt_to_page((p4d_val(p4d) + PAGE_OFFSET))
#endif
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index ab305453e90f..b865edff2670 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -210,9 +210,9 @@ static inline void p4d_clear(p4d_t *p4dp)
p4d_val(*p4dp) = (unsigned long)invalid_pud_table;
}
-static inline unsigned long p4d_page_vaddr(p4d_t p4d)
+static inline pud_t *p4d_pgtable(p4d_t p4d)
{
- return p4d_val(p4d);
+ return (pud_t *)p4d_val(p4d);
}
#define p4d_phys(p4d) virt_to_phys((void *)p4d_val(p4d))
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 40bafe1e80c9..cbedc7c8959d 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1048,7 +1048,10 @@ extern struct page *p4d_page(p4d_t p4d);
/* Pointers in the page table tree are physical addresses */
#define __pgtable_ptr_val(ptr) __pa(ptr)
-#define p4d_page_vaddr(p4d) __va(p4d_val(p4d) & ~P4D_MASKED_BITS)
+static inline pud_t *p4d_pgtable(p4d_t p4d)
+{
+ return (pud_t *)__va(p4d_val(p4d) & ~P4D_MASKED_BITS);
+}
static inline pmd_t *pud_pgtable(pud_t pud)
{
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
index fe2f4c9acd9e..10f5cf444d72 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
@@ -56,10 +56,14 @@
#define p4d_none(p4d) (!p4d_val(p4d))
#define p4d_bad(p4d) (p4d_val(p4d) == 0)
#define p4d_present(p4d) (p4d_val(p4d) != 0)
-#define p4d_page_vaddr(p4d) (p4d_val(p4d) & ~P4D_MASKED_BITS)
#ifndef __ASSEMBLY__
+static inline pud_t *p4d_pgtable(p4d_t p4d)
+{
+ return (pud_t *) (p4d_val(p4d) & ~P4D_MASKED_BITS);
+}
+
static inline void p4d_clear(p4d_t *p4dp)
{
*p4dp = __p4d(0);
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index b663d8f9f05c..1ba6d9291c10 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -859,7 +859,7 @@ static void __meminit remove_pagetable(unsigned long start, unsigned long end)
continue;
}
- pud_base = (pud_t *)p4d_page_vaddr(*p4d);
+ pud_base = p4d_pgtable(*p4d);
remove_pud_table(pud_base, addr, next);
free_pud_table(pud_base, p4d);
}
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 4ba311808bdb..78c8cf01db5f 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -105,7 +105,7 @@ struct page *p4d_page(p4d_t p4d)
VM_WARN_ON(!p4d_huge(p4d));
return pte_page(p4d_pte(p4d));
}
- return virt_to_page(p4d_page_vaddr(p4d));
+ return virt_to_page(p4d_pgtable(p4d));
}
#endif
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 534ec872fa2c..c0f56da1c205 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -860,8 +860,8 @@ static inline pmd_t *pud_pgtable(pud_t pud)
#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL)
#define pud_present(pud) (pud_val(pud) != 0U)
#define pud_clear(pudp) (pud_val(*(pudp)) = 0UL)
-#define p4d_page_vaddr(p4d) \
- ((unsigned long) __va(p4d_val(p4d)))
+#define p4d_pgtable(p4d) \
+ ((pud_t *) __va(p4d_val(p4d)))
#define p4d_present(p4d) (p4d_val(p4d) != 0U)
#define p4d_clear(p4dp) (p4d_val(*(p4dp)) = 0UL)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 35a34ca6f2e9..b6c97b8f59ec 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -906,9 +906,9 @@ static inline int p4d_present(p4d_t p4d)
return p4d_flags(p4d) & _PAGE_PRESENT;
}
-static inline unsigned long p4d_page_vaddr(p4d_t p4d)
+static inline pud_t *p4d_pgtable(p4d_t p4d)
{
- return (unsigned long)__va(p4d_val(p4d) & p4d_pfn_mask(p4d));
+ return (pud_t *)__va(p4d_val(p4d) & p4d_pfn_mask(p4d));
}
/*
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index e527d829e1ed..ffb3da2cb038 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -193,8 +193,8 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end)
spin_lock(pgt_lock);
if (!p4d_none(*p4d_ref) && !p4d_none(*p4d))
- BUG_ON(p4d_page_vaddr(*p4d)
- != p4d_page_vaddr(*p4d_ref));
+ BUG_ON(p4d_pgtable(*p4d)
+ != p4d_pgtable(*p4d_ref));
if (p4d_none(*p4d))
set_p4d(p4d, *p4d_ref);
diff --git a/include/asm-generic/pgtable-nop4d.h b/include/asm-generic/pgtable-nop4d.h
index ce2cbb3c380f..982de5102fc1 100644
--- a/include/asm-generic/pgtable-nop4d.h
+++ b/include/asm-generic/pgtable-nop4d.h
@@ -42,7 +42,7 @@ static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address)
#define __p4d(x) ((p4d_t) { __pgd(x) })
#define pgd_page(pgd) (p4d_page((p4d_t){ pgd }))
-#define pgd_page_vaddr(pgd) (p4d_page_vaddr((p4d_t){ pgd }))
+#define pgd_page_vaddr(pgd) (p4d_pgtable((p4d_t){ pgd }))
/*
* allocating and freeing a p4d is trivial: the 1-entry p4d is
diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
index 7cbd15f70bf5..eb70c6d7ceff 100644
--- a/include/asm-generic/pgtable-nopud.h
+++ b/include/asm-generic/pgtable-nopud.h
@@ -49,7 +49,7 @@ static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address)
#define __pud(x) ((pud_t) { __p4d(x) })
#define p4d_page(p4d) (pud_page((pud_t){ p4d }))
-#define p4d_page_vaddr(p4d) (pud_pgtable((pud_t){ p4d }))
+#define p4d_pgtable(p4d) ((pud_t *)(pud_pgtable((pud_t){ p4d })))
/*
* allocating and freeing a pud is trivial: the 1-entry pud is
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 311984f87cf9..d355290bf70e 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -96,7 +96,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
#ifndef pud_offset
static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address)
{
- return (pud_t *)p4d_page_vaddr(*p4d) + pud_index(address);
+ return p4d_pgtable(*p4d) + pud_index(address);
}
#define pud_offset pud_offset
#endif
--
2.31.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
2021-06-15 11:08 [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Aneesh Kumar K.V
2021-06-15 11:08 ` [PATCH v2 2/2] mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * Aneesh Kumar K.V
@ 2021-06-15 11:41 ` Geert Uytterhoeven
1 sibling, 0 replies; 3+ messages in thread
From: Geert Uytterhoeven @ 2021-06-15 11:41 UTC (permalink / raw)
To: Aneesh Kumar K.V
Cc: Linux MM, Andrew Morton, Linus Torvalds, alpha,
Linux Kernel Mailing List, Linux ARM, linux-ia64, linux-m68k,
open list:BROADCOM NVRAM DRIVER, Parisc List, linuxppc-dev,
linux-riscv, Linux-sh list, sparclinux, linux-um, Linux-Arch
On Tue, Jun 15, 2021 at 1:32 PM Aneesh Kumar K.V
<aneesh.kumar@linux.ibm.com> wrote:
> No functional change in this patch.
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
> arch/m68k/include/asm/motorola_pgtable.h | 2 +-
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-06-15 11:42 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-06-15 11:08 [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Aneesh Kumar K.V
2021-06-15 11:08 ` [PATCH v2 2/2] mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * Aneesh Kumar K.V
2021-06-15 11:41 ` [PATCH v2 1/2] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Geert Uytterhoeven
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