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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-14 23:31:23 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 01:32:16 +0100 |
| commit | b3d59c6eb49476110b4a76bfbae63daae1cda268 (patch) | |
| tree | 1153d439eaed1a7d0a8a993a56ce0800758c1897 | |
| parent | mn10300: add missing pgtable_page_ctor/dtor calls (diff) | |
| download | linux-b3d59c6eb49476110b4a76bfbae63daae1cda268.tar.xz linux-b3d59c6eb49476110b4a76bfbae63daae1cda268.zip | |
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>
| -rw-r--r-- | arch/openrisc/include/asm/pgalloc.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h index 05c39ecd2efd..21484e5b9e9a 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); } |