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| author | Nick Piggin <npiggin@suse.de> | 2006-03-22 00:08:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 07:53:57 -0800 |
| commit | 5e9dace8d386def04219134d7160e8a778824764 (patch) | |
| tree | d74ca57577cc4872eb6bcf609e3c7f7d1a39fdf6 | |
| parent | 674539115cc88473f623581e1d53c0e2ecef2179 (diff) | |
| download | op-kernel-dev-5e9dace8d386def04219134d7160e8a778824764.zip op-kernel-dev-5e9dace8d386def04219134d7160e8a778824764.tar.gz | |
[PATCH] mm: page_alloc less atomics
More atomic operation removal from page allocator
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/linux/page-flags.h | 4 | ||||
| -rw-r--r-- | mm/page_alloc.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index da71d63..76c7ffd 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -328,8 +328,8 @@ extern void __mod_page_state_offset(unsigned long offset, unsigned long delta); #define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) #define PageCompound(page) test_bit(PG_compound, &(page)->flags) -#define SetPageCompound(page) set_bit(PG_compound, &(page)->flags) -#define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags) +#define __SetPageCompound(page) __set_bit(PG_compound, &(page)->flags) +#define __ClearPageCompound(page) __clear_bit(PG_compound, &(page)->flags) #ifdef CONFIG_SWAP #define PageSwapCache(page) test_bit(PG_swapcache, &(page)->flags) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6177586..1029198 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -190,7 +190,7 @@ static void prep_compound_page(struct page *page, unsigned long order) for (i = 0; i < nr_pages; i++) { struct page *p = page + i; - SetPageCompound(p); + __SetPageCompound(p); set_page_private(p, (unsigned long)page); } } @@ -209,7 +209,7 @@ static void destroy_compound_page(struct page *page, unsigned long order) if (unlikely(!PageCompound(p) | (page_private(p) != (unsigned long)page))) bad_page(page); - ClearPageCompound(p); + __ClearPageCompound(p); } } |
