[PATCH] mm: remove atomic

This bitop does not need to be atomic because it is performed when there will be no references to the page (ie. the page is being freed). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
tzwolf · Sep 5, 2005 · 242e546 · 242e546
1 parent 9a61c34
commit 242e546
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
@@ -194,6 +194,7 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta);
 #define SetPageDirty(page)	set_bit(PG_dirty, &(page)->flags)
 #define TestSetPageDirty(page)	test_and_set_bit(PG_dirty, &(page)->flags)
 #define ClearPageDirty(page)	clear_bit(PG_dirty, &(page)->flags)
+#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)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
@@ -329,7 +329,7 @@ static inline void free_pages_check(const char *function, struct page *page)
 			1 << PG_writeback )))
 		bad_page(function, page);
 	if (PageDirty(page))
-		ClearPageDirty(page);
+		__ClearPageDirty(page);
 }
 
 /*