[PATCH] mm: PageActive no testset

PG_active is protected by zone->lru_lock, it does not need TestSet/TestClear
operations.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/swap.c b/mm/swap.c
index 985324e..cf88226 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -374,8 +374,8 @@ void __pagevec_lru_add_active(struct pagevec *pvec)
 		}
 		BUG_ON(PageLRU(page));
 		SetPageLRU(page);
-		if (TestSetPageActive(page))
-			BUG();
+		BUG_ON(PageActive(page));
+		SetPageActive(page);
 		add_page_to_active_list(zone, page);
 	}
 	if (zone)