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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2013-11-14 14:31:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 09:32:16 +0900
commit390f44e2aa2ab83f08231d7d05f066dc3494490e (patch)
treec40352aa0c42e49b601624e0ae9972c69832f55a /include
parentf8c6d30b766fc8eb83f5b7983ff8a5a9b3189365 (diff)
downloadlinux-390f44e2aa2ab83f08231d7d05f066dc3494490e.tar.gz
linux-390f44e2aa2ab83f08231d7d05f066dc3494490e.tar.xz
mm: allow pgtable_page_ctor() to fail
Change pgtable_page_ctor() return type from void to bool. Returns true, if initialization is successful and false otherwise. Current implementation never fails, but it will change later. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mm.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 255750d..e855351 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1338,10 +1338,11 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a
#define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;})
#endif /* USE_SPLIT_PTE_PTLOCKS */
-static inline void pgtable_page_ctor(struct page *page)
+static inline bool pgtable_page_ctor(struct page *page)
{
pte_lock_init(page);
inc_zone_page_state(page, NR_PAGETABLE);
+ return true;
}
static inline void pgtable_page_dtor(struct page *page)