From 5e9dace8d386def04219134d7160e8a778824764 Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Wed, 22 Mar 2006 00:08:01 -0800 Subject: [PATCH] [PATCH] mm: page_alloc less atomics More atomic operation removal from page allocator Signed-off-by: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/page-flags.h | 4 ++-- 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); } } -- 2.7.4