linux-kernel - [PATCH 2/2] cgroup/memcg show correct file mode

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Message-Id: <20090225163729.cc43bd5c.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Wed, 25 Feb 2009 16:37:29 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"containers@...ts.linux-foundation.org" 
	<containers@...ts.linux-foundation.org>,
	"menage@...gle.com" <menage@...gle.com>,
	"lizf@...fujitsu.com" <lizf@...fujitsu.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>
Subject: [PATCH 2/2] cgroup/memcg show correct file mode

From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

Set correct permission to memcg's file.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
 mm/memcontrol.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: mmotm-2.6.29-Feb24/mm/memcontrol.c
===================================================================
--- mmotm-2.6.29-Feb24.orig/mm/memcontrol.c
+++ mmotm-2.6.29-Feb24/mm/memcontrol.c
@@ -2218,6 +2218,7 @@ static struct cftype mem_cgroup_files[] 
 		.name = "usage_in_bytes",
 		.private = MEMFILE_PRIVATE(_MEM, RES_USAGE),
 		.read_u64 = mem_cgroup_read,
+		.mode = 0444
 	},
 	{
 		.name = "max_usage_in_bytes",
@@ -2240,10 +2241,12 @@ static struct cftype mem_cgroup_files[] 
 	{
 		.name = "stat",
 		.read_map = mem_control_stat_show,
+		.mode = 0444
 	},
 	{
 		.name = "force_empty",
 		.trigger = mem_cgroup_force_empty_write,
+		.mode = 0200
 	},
 	{
 		.name = "use_hierarchy",
@@ -2263,6 +2266,7 @@ static struct cftype memsw_cgroup_files[
 		.name = "memsw.usage_in_bytes",
 		.private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
 		.read_u64 = mem_cgroup_read,
+		.mode = 0444
 	},
 	{
 		.name = "memsw.max_usage_in_bytes",

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