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memcg: fix memcg_size() calculation

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commit 695c608307 upstream.

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@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Glauber Costa <glommer@openvz.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vladimir Davydov
2014-01-02 12:58:47 -08:00
committed by Greg Kroah-Hartman
parent 8553459e73
commit 76fca2297a
1 changed files with 1 additions and 1 deletions
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2
mm/memcontrol.c
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@@ -379,7 +379,7 @@ struct mem_cgroup {
static size_t memcg_size(void) static size_t memcg_size(void)
{ {
return sizeof(struct mem_cgroup) + 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. */ /* internal only representation about the status of kmem accounting. */