From 61600f578fbd2e8ad0c90bddb9c729e7628d3813 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Wed, 2 Nov 2011 13:38:36 -0700
Subject: [PATCH] mm/page_cgroup.c: quiet sparse noise

warning: symbol 'swap_cgroup_ctrl' was not declared. Should it be static?

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Paul Menage <paul@paulmenage.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: 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>
---
 mm/page_cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 3749ae15a8c8..2d123f94a8df 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -360,7 +360,7 @@ struct swap_cgroup_ctrl {
 	spinlock_t	lock;
 };
 
-struct swap_cgroup_ctrl swap_cgroup_ctrl[MAX_SWAPFILES];
+static struct swap_cgroup_ctrl swap_cgroup_ctrl[MAX_SWAPFILES];
 
 struct swap_cgroup {
 	unsigned short		id;