[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>
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index f5a6695..99f7cc4 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -194,6 +194,7 @@
#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
index 8d08837..620aa11 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -329,7 +329,7 @@
1 << PG_writeback )))
bad_page(function, page);
if (PageDirty(page))
- ClearPageDirty(page);
+ __ClearPageDirty(page);
}
/*