linux-kernel - [PATCH] [TRIVIAL] memcg: fix memory.memsw.usage_in

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Message-Id: <1260373738-17179-1-git-send-email-kirill@shutemov.name>
Date:	Wed,  9 Dec 2009 17:48:58 +0200
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	linux-mm@...ck.org
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Pavel Emelyanov <xemul@...nvz.org>,
	linux-kernel@...r.kernel.org,
	"Kirill A. Shutemov" <kirill@...temov.name>, stable@...nel.org
Subject: [PATCH] [TRIVIAL] memcg: fix memory.memsw.usage_in_bytes for root cgroup

We really want to take MEM_CGROUP_STAT_SWAPOUT into account.

Signed-off-by: Kirill A. Shutemov <kirill@...temov.name>
Cc: stable@...nel.org
---
 mm/memcontrol.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index f99f599..6314015 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2541,6 +2541,7 @@ static u64 mem_cgroup_read(struct cgroup *cont, struct cftype *cft)
 			val += idx_val;
 			mem_cgroup_get_recursive_idx_stat(mem,
 				MEM_CGROUP_STAT_SWAPOUT, &idx_val);
+			val += idx_val;
 			val <<= PAGE_SHIFT;
 		} else
 			val = res_counter_read_u64(&mem->memsw, name);
-- 
1.6.5.3

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