diff options
| author | Vineet Gupta <Vineet.Gupta1@synopsys.com> | 2015-09-09 00:59:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-09 01:35:28 +0300 |
| commit | b5e3aa0a4d5e35329203fd09acb0dbc7f7fd64de (patch) | |
| tree | 52dca1e15ff3ff0db5ab1d909943169425f114d6 /include | |
| parent | 4fcab5f437c481e51c270a2d12ef56a3f2367371 (diff) | |
| download | linux-b5e3aa0a4d5e35329203fd09acb0dbc7f7fd64de.tar.xz | |
mm: remove put_page_unless_one()
It has no callers.
Signed-off-by: Vineet Gupta <vgupta@synopsys.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.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index e1fbd18b8c4b..4ec72ef1f04a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -361,18 +361,6 @@ static inline int get_page_unless_zero(struct page *page) return atomic_inc_not_zero(&page->_count); } -/* - * Try to drop a ref unless the page has a refcount of one, return false if - * that is the case. - * This is to make sure that the refcount won't become zero after this drop. - * This can be called when MMU is off so it must not access - * any of the virtual mappings. - */ -static inline int put_page_unless_one(struct page *page) -{ - return atomic_add_unless(&page->_count, -1, 1); -} - extern int page_is_ram(unsigned long pfn); extern int region_is_ram(resource_size_t phys_addr, unsigned long size); |