[PATCH]mm/compation.c: checking page in lru twice
From: Figo.zhang
Date: Fri May 06 2011 - 07:33:35 EST
in isolate_migratepages() have check page in LRU twice, the next one
at _isolate_lru_page().
Signed-off-by: Figo.zhang <figo1802@xxxxxxxxx>
---
mm/compaction.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index 021a296..ac605cb 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -321,9 +321,6 @@ static unsigned long isolate_migratepages(struct zone *zone,
continue;
}
- if (!PageLRU(page))
- continue;
-
/*
* PageLRU is set, and lru_lock excludes isolation,
* splitting and collapsing (collapsing has already
--
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