aboutsummaryrefslogtreecommitdiff
path: root/arch/openrisc
diff options
context:
space:
mode:
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2013-11-14 14:31:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 09:32:16 +0900
commitb3d59c6eb49476110b4a76bfbae63daae1cda268 (patch)
tree1153d439eaed1a7d0a8a993a56ce0800758c1897 /arch/openrisc
parent0470d4aa29eb0a49554fe71e986e6d6c38dd85cb (diff)
downloadlinux-b3d59c6eb49476110b4a76bfbae63daae1cda268.tar.gz
openrisc: add missing pgtable_page_ctor/dtor calls
It will fix NR_PAGETABLE accounting. It's also required if the arch is going ever support split ptl. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Jonas Bonn <jonas@southpole.se> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/openrisc')
-rw-r--r--arch/openrisc/include/asm/pgalloc.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index 05c39ecd2ef..21484e5b9e9 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -78,8 +78,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
{
struct page *pte;
pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
- if (pte)
- clear_page(page_address(pte));
+ if (!pte)
+ return NULL;
+ clear_page(page_address(pte));
+ if (!pgtable_page_ctor(pte)) {
+ __free_page(pte);
+ return NULL;
+ }
return pte;
}
@@ -90,6 +95,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
static inline void pte_free(struct mm_struct *mm, struct page *pte)
{
+ pgtable_page_dtor(pte);
__free_page(pte);
}