linux-kernel - [PATCH 1/2] memcg: fix memcg

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Message-ID: <965cbb70fb55fe50a77382537b9a1b7455deac86.1387007793.git.vdavydov@parallels.com>
Date:	Sat, 14 Dec 2013 12:15:33 +0400
From:	Vladimir Davydov <vdavydov@...allels.com>
To:	<mhocko@...e.cz>
CC:	<glommer@...il.com>, <linux-kernel@...r.kernel.org>,
	<cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
	<devel@...nvz.org>, "Glauber Costa" <glommer@...nvz.org>,
	Johannes Weiner <hannes@...xchg.org>,
	"Balbir Singh" <bsingharora@...il.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: [PATCH 1/2] memcg: fix memcg_size() calculation

The mem_cgroup structure contains nr_node_ids pointers to
mem_cgroup_per_node objects, not the objects themselves.

Signed-off-by: Vladimir Davydov <vdavydov@...allels.com>
Cc: Michal Hocko <mhocko@...e.cz>
Cc: Glauber Costa <glommer@...nvz.org>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: Balbir Singh <bsingharora@...il.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
 mm/memcontrol.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index bf5e894..7f1a356 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -338,7 +338,7 @@ struct mem_cgroup {
 static size_t memcg_size(void)
 {
 	return sizeof(struct mem_cgroup) +
-		nr_node_ids * sizeof(struct mem_cgroup_per_node);
+		nr_node_ids * sizeof(struct mem_cgroup_per_node *);
 }
 
 /* internal only representation about the status of kmem accounting. */
-- 
1.7.10.4

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