linux-kernel - [PATCH] mm/page_cgroup.c: quiet sparse noise

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Date:	Thu, 22 Sep 2011 18:15:08 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<linux-mm@...ck.org>, <containers@...ts.linux-foundation.org>,
	<paul@...lmenage.org>, <lizf@...fujitsu.com>,
	<bsingharora@...il.com>, <nishimura@....nes.nec.co.jp>,
	<kamezawa.hiroyu@...fujitsu.com>
Subject: [PATCH] mm/page_cgroup.c: quiet sparse noise

Quite the sparse noise:

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

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Paul Menage <paul@...lmenage.org>
Cc: Li Zefan <lizf@...fujitsu.com>
Cc: Balbir Singh <bsingharora@...il.com>
Cc: Daisuke Nishimura <nishimura@....nes.nec.co.jp>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

---

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 6bdc67d..eead840 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -357,7 +357,7 @@ 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;
--
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