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

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Date:	Fri, 23 Sep 2011 11:22:08 +0530
From:	Balbir Singh <bsingharora@...il.com>
To:	H Hartley Sweeten <hartleys@...ionengravers.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
	containers@...ts.linux-foundation.org, paul@...lmenage.org,
	lizf@...fujitsu.com, nishimura@....nes.nec.co.jp,
	kamezawa.hiroyu@...fujitsu.com
Subject: Re: [PATCH] mm/page_cgroup.c: quiet sparse noise

On Fri, Sep 23, 2011 at 6:45 AM, H Hartley Sweeten
<hartleys@...ionengravers.com> wrote:
> 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];

Seems reasonable

Acked-by: Balbir Singh <bsingharora@...il.com>
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