[PATCH] mm: less atomic ops
In the page release paths, we can be sure that nobody will mess with our
page->flags because the refcount has dropped to 0. So no need for atomic
operations here.
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/mm_inline.h b/include/linux/mm_inline.h
index 8ac854f..3b6723d 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -32,7 +32,7 @@
{
list_del(&page->lru);
if (PageActive(page)) {
- ClearPageActive(page);
+ __ClearPageActive(page);
zone->nr_active--;
} else {
zone->nr_inactive--;