[BUGFIX][PATCH 1/5] memcg fix numa_stat permission

KAMEZAWA Hiroyuki
2011-06-13T03:10:03Z

This is already queued in mmotm.
==
>From 3b1bec1d07ba21339697f069acab47dae6b81097 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Mon, 13 Jun 2011 09:32:28 +0900
Subject: [PATCH 1/5] memcg fix numa_stat permission

commit 406eb0c9b ("memcg: add memory.numastat api for numa statistics")
adds memory.numa_stat file for memory cgroup. But the file permissions
are wrong.

[kamezawa@bluextal linux-2.6]$ ls -l /cgroup/memory/A/memory.numa_stat
---------- 1 root root 0 Jun 9 18:36 /cgroup/memory/A/memory.numa_stat

This patch fixes the permission as

[root@bluextal kamezawa]# ls -l /cgroup/memory/A/memory.numa_stat
-r--r--r-- 1 root root 0 Jun 10 16:49 /cgroup/memory/A/memory.numa_stat

Acked-by: Ying Han <yinghan@google.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
---
mm/memcontrol.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index bd9052a..ce05835 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4640,6 +4640,7 @@ static struct cftype mem_cgroup_files[] = {
{
.name = "numa_stat",
.open = mem_control_numa_stat_open,
+ .mode = S_IRUGO,
},
#endif
};
--
1.7.4.1