I'm sorry I missed this bug because I tested as 'root' ...
=
>From 9fe15b548430635d4bbdc2b39e778dbb08e369c9 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Date: Fri, 10 Jun 2011 16:50:39 +0900
Subject: [PATCH][BUGFIX] memcg: fix memory.numa_stat file permission
commit 406eb0c9ba765eb066406fd5ce9d5e2b169a4d5a adds memory.numa_stat
file for memory cgroup. But it's file permission is 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
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
---
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
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