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| author |   Nick Piggin <npiggin@suse.de> | 2006-03-22 00:07:59 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 07:53:56 -0800 |
| commit | 8d438f96d2b8eade6cbcd8adfc22dae6f5cbd6c0 (patch) | |
| tree | 5248caf52ed9ba1dbb172d9e3bd3216c97ab3b84 /include/linux/page-flags.h | |
| parent | [PATCH] mm: never ClearPageLRU released pages (diff) | |
| download | wireguard-linux-8d438f96d2b8eade6cbcd8adfc22dae6f5cbd6c0.tar.xz wireguard-linux-8d438f96d2b8eade6cbcd8adfc22dae6f5cbd6c0.zip | |
[PATCH] mm: PageLRU no testset
PG_lru is protected by zone->lru_lock. It does not need TestSet/TestClear
operations.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index d52999c43336..58856c823f8b 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -239,10 +239,9 @@ extern void __mod_page_state_offset(unsigned long offset, unsigned long delta); #define __ClearPageDirty(page) __clear_bit(PG_dirty, &(page)->flags) #define TestClearPageDirty(page) test_and_clear_bit(PG_dirty, &(page)->flags) -#define SetPageLRU(page) set_bit(PG_lru, &(page)->flags) #define PageLRU(page) test_bit(PG_lru, &(page)->flags) -#define TestSetPageLRU(page) test_and_set_bit(PG_lru, &(page)->flags) -#define TestClearPageLRU(page) test_and_clear_bit(PG_lru, &(page)->flags) +#define SetPageLRU(page) set_bit(PG_lru, &(page)->flags) +#define ClearPageLRU(page) clear_bit(PG_lru, &(page)->flags) #define PageActive(page) test_bit(PG_active, &(page)->flags) #define SetPageActive(page) set_bit(PG_active, &(page)->flags) |