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From: Claudio Imbrenda <imbrenda@linux.ibm.com>
To: kvm@vger.kernel.org
Cc: frankja@linux.ibm.com, david@redhat.com, thuth@redhat.com,
	pbonzini@redhat.com, cohuck@redhat.com, lvivier@redhat.com,
	nadav.amit@gmail.com, krish.sadhukhan@oracle.com
Subject: [kvm-unit-tests PATCH v2 06/11] lib/alloc.h: remove align_min from struct alloc_ops
Date: Fri, 15 Jan 2021 13:37:25 +0100	[thread overview]
Message-ID: <20210115123730.381612-7-imbrenda@linux.ibm.com> (raw)
In-Reply-To: <20210115123730.381612-1-imbrenda@linux.ibm.com>

Remove align_min from struct alloc_ops, since it is no longer used.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
---
 lib/alloc.h      | 1 -
 lib/alloc_page.c | 1 -
 lib/alloc_phys.c | 9 +++++----
 lib/vmalloc.c    | 1 -
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/lib/alloc.h b/lib/alloc.h
index 9b4b634..db90b01 100644
--- a/lib/alloc.h
+++ b/lib/alloc.h
@@ -25,7 +25,6 @@
 struct alloc_ops {
 	void *(*memalign)(size_t alignment, size_t size);
 	void (*free)(void *ptr);
-	size_t align_min;
 };
 
 extern struct alloc_ops *alloc_ops;
diff --git a/lib/alloc_page.c b/lib/alloc_page.c
index 337a4e0..7d1fa85 100644
--- a/lib/alloc_page.c
+++ b/lib/alloc_page.c
@@ -385,7 +385,6 @@ void *memalign_pages_area(unsigned int area, size_t alignment, size_t size)
 static struct alloc_ops page_alloc_ops = {
 	.memalign = memalign_pages,
 	.free = free_pages,
-	.align_min = PAGE_SIZE,
 };
 
 /*
diff --git a/lib/alloc_phys.c b/lib/alloc_phys.c
index 72e20f7..a4d2bf2 100644
--- a/lib/alloc_phys.c
+++ b/lib/alloc_phys.c
@@ -29,8 +29,8 @@ static phys_addr_t base, top;
 static void *early_memalign(size_t alignment, size_t size);
 static struct alloc_ops early_alloc_ops = {
 	.memalign = early_memalign,
-	.align_min = DEFAULT_MINIMUM_ALIGNMENT
 };
+static size_t align_min;
 
 struct alloc_ops *alloc_ops = &early_alloc_ops;
 
@@ -39,8 +39,7 @@ void phys_alloc_show(void)
 	int i;
 
 	spin_lock(&lock);
-	printf("phys_alloc minimum alignment: %#" PRIx64 "\n",
-		(u64)early_alloc_ops.align_min);
+	printf("phys_alloc minimum alignment: %#" PRIx64 "\n", (u64)align_min);
 	for (i = 0; i < nr_regions; ++i)
 		printf("%016" PRIx64 "-%016" PRIx64 " [%s]\n",
 			(u64)regions[i].base,
@@ -64,7 +63,7 @@ void phys_alloc_set_minimum_alignment(phys_addr_t align)
 {
 	assert(align && !(align & (align - 1)));
 	spin_lock(&lock);
-	early_alloc_ops.align_min = align;
+	align_min = align;
 	spin_unlock(&lock);
 }
 
@@ -83,6 +82,8 @@ static phys_addr_t phys_alloc_aligned_safe(phys_addr_t size,
 		top_safe = MIN(top_safe, 1ULL << 32);
 
 	assert(base < top_safe);
+	if (align < align_min)
+		align = align_min;
 
 	addr = ALIGN(base, align);
 	size += addr - base;
diff --git a/lib/vmalloc.c b/lib/vmalloc.c
index 6b52790..aa7cc41 100644
--- a/lib/vmalloc.c
+++ b/lib/vmalloc.c
@@ -192,7 +192,6 @@ static void vm_free(void *mem)
 static struct alloc_ops vmalloc_ops = {
 	.memalign = vm_memalign,
 	.free = vm_free,
-	.align_min = PAGE_SIZE,
 };
 
 void __attribute__((__weak__)) find_highmem(void)
-- 
2.26.2


  parent reply	other threads:[~2021-01-15 12:43 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15 12:37 [kvm-unit-tests PATCH v2 00/11] Fix and improve the page allocator Claudio Imbrenda
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 01/11] lib/x86: fix page.h to include the generic header Claudio Imbrenda
2021-01-19 15:12   ` Janosch Frank
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 02/11] lib/list.h: add list_add_tail Claudio Imbrenda
2021-01-19 15:18   ` Janosch Frank
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 03/11] lib/vmalloc: add some asserts and improvements Claudio Imbrenda
2021-01-19 15:26   ` Janosch Frank
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 04/11] lib/asm: Fix definitions of memory areas Claudio Imbrenda
2021-01-19 15:33   ` Janosch Frank
2021-01-19 17:05     ` Claudio Imbrenda
2021-01-21  1:23   ` David Matlack
2021-01-21  5:32     ` Thomas Huth
2021-01-21  9:28     ` Claudio Imbrenda
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 05/11] lib/alloc_page: fix and improve the page allocator Claudio Imbrenda
2021-01-15 12:37 ` Claudio Imbrenda [this message]
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 07/11] lib/alloc_page: Optimization to skip known empty freelists Claudio Imbrenda
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 08/11] lib/alloc_page: rework metadata format Claudio Imbrenda
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 09/11] lib/alloc: replace areas with more generic flags Claudio Imbrenda
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 10/11] lib/alloc_page: Wire up FLAG_DONTZERO Claudio Imbrenda
2021-01-15 12:37 ` [kvm-unit-tests PATCH v2 11/11] lib/alloc_page: Properly handle requests for fresh blocks Claudio Imbrenda

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