linux-kernel - Re: [PATCH] memcg: mark memcg1

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Date:   Thu, 3 May 2018 21:33:19 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Greg Thelen <gthelen@...gle.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memcg: mark memcg1_events static const

On Thu 03-05-18 12:29:40, Greg Thelen wrote:
> Mark memcg1_events static: it's only used by memcontrol.c.
> And mark it const: it's not modified.
> 
> Signed-off-by: Greg Thelen <gthelen@...gle.com>

Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  mm/memcontrol.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 2bd3df3d101a..c9c7e5ea0e2f 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -3083,7 +3083,7 @@ static int memcg_numa_stat_show(struct seq_file *m, void *v)
>  #endif /* CONFIG_NUMA */
>  
>  /* Universal VM events cgroup1 shows, original sort order */
> -unsigned int memcg1_events[] = {
> +static const unsigned int memcg1_events[] = {
>  	PGPGIN,
>  	PGPGOUT,
>  	PGFAULT,
> -- 
> 2.17.0.441.gb46fe60e1d-goog

-- 
Michal Hocko
SUSE Labs