The commit is pushed to "branch-rh7-3.10.0-327.10.1.vz7.12.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-327.10.1.vz7.12.16
------>
commit e721437e23e0524e0ab549abf34bff06898e303e
Author: Vladimir Davydov <vdavy...@virtuozzo.com>
Date: Mon May 2 18:08:29 2016 +0400
arch: x86: fix accounting page tables to kmemcg
After we switched to the whitelist kmem accounting design, using
alloc_kmem_pages is not enough for the new page to be accounted -
one must also pass __GFP_ACCOUNT in gfp flags.
Signed-off-by: Vladimir Davydov <vdavy...@virtuozzo.com>
---
arch/x86/include/asm/pgalloc.h | 4 ++--
arch/x86/mm/pgtable.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
index 758a6a7..f589758 100644
--- a/arch/x86/include/asm/pgalloc.h
+++ b/arch/x86/include/asm/pgalloc.h
@@ -81,7 +81,7 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t
*pmd,
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
struct page *page;
- page = alloc_kmem_pages(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO, 0);
+ page = alloc_kmem_pages(GFP_KERNEL_ACCOUNT | __GFP_REPEAT | __GFP_ZERO,
0);
if (!page)
return NULL;
if (!pgtable_pmd_page_ctor(page)) {
@@ -125,7 +125,7 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t
*pgd, pud_t *pud)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return (pud_t *)__get_free_kmem_pages(GFP_KERNEL|__GFP_REPEAT|
+ return (pud_t *)__get_free_kmem_pages(GFP_KERNEL_ACCOUNT|__GFP_REPEAT|
__GFP_ZERO, 0);
}
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 3715dda..02ec624 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -6,7 +6,7 @@
#include <asm/tlb.h>
#include <asm/fixmap.h>
-#define PGALLOC_GFP GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO
+#define PGALLOC_GFP GFP_KERNEL_ACCOUNT | __GFP_NOTRACK | __GFP_REPEAT |
__GFP_ZERO
#ifdef CONFIG_HIGHPTE
#define PGALLOC_USER_GFP __GFP_HIGHMEM
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