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[PATCH] mm: PageActive no testset

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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>
This commit is contained in:
Nick Piggin
2006-03-22 00:08:00 -08:00
committed by Linus Torvalds
parent 8d438f96d2
commit 4c84cacfa4
3 changed files with 5 additions and 6 deletions
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4
mm/swap.c
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@@ -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)