linux-kernel - Re: [PATCH-next] MEMCG: memcontrol: make local symbol static

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Date:   Thu, 18 Jan 2018 11:23:03 -0800
From:   Joe Perches <joe@...ches.com>
To:     Christopher Díaz Riveros <chrisadr@...too.org>,
        hannes@...xchg.org, mhocko@...nel.org, vdavydov.dev@...il.com
Cc:     cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH-next] MEMCG: memcontrol: make local symbol static

On Thu, 2018-01-18 at 10:08 -0500, Christopher Díaz Riveros wrote:
> Fixes the following sparse warning:
> 
> mm/memcontrol.c:1097:14: warning:
>   symbol 'memcg1_stats' was not declared. Should it be static?
> 
> Signed-off-by: Christopher Díaz Riveros <chrisadr@...too.org>
> ---
>  mm/memcontrol.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
[]
> @@ -1094,7 +1094,7 @@ static bool mem_cgroup_wait_acct_move(struct mem_cgroup *memcg)
>  	return false;
>  }
>  
> -unsigned int memcg1_stats[] = {
> +static unsigned int memcg1_stats[] = {

This should almost certainly be static const

>  	MEMCG_CACHE,
>  	MEMCG_RSS,
>  	MEMCG_RSS_HUGE,