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Message-Id: <1291734086-1405-1-git-send-email-minchan.kim@gmail.com>
Date: Wed, 8 Dec 2010 00:01:26 +0900
From: Minchan Kim <minchan.kim@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
Minchan Kim <minchan.kim@...il.com>,
Balbir Singh <balbir@...ux.vnet.ibm.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
Mel Gorman <mel@....ul.ie>
Subject: [PATCH] compaction: Remove mem_cgroup_del_lru
del_page_from_lru_list alreay called mem_cgroup_del_lru.
So we need to call it again. It makes wrong stat of memcg and
even happen VM_BUG_ON hit.
Cc: Balbir Singh <balbir@...ux.vnet.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: Mel Gorman <mel@....ul.ie>
Signed-off-by: Minchan Kim <minchan.kim@...il.com>
---
mm/compaction.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index 50b0a90..b0fbfdf 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -302,7 +302,6 @@ static unsigned long isolate_migratepages(struct zone *zone,
/* Successfully isolated */
del_page_from_lru_list(zone, page, page_lru(page));
list_add(&page->lru, migratelist);
- mem_cgroup_del_lru(page);
cc->nr_migratepages++;
nr_isolated++;
--
1.7.0.4
--
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