linux-kernel - Re: [PATCH TRIVIAL] memcg: remove unused code from kmem_cache_destroy_work

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Message-ID: <20140120164801.GF2626@dhcp22.suse.cz>
Date:	Mon, 20 Jan 2014 17:48:01 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	Vladimir Davydov <vdavydov@...allels.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH TRIVIAL] memcg: remove unused code from
 kmem_cache_destroy_work_func

OK, it seems as a left over from an earlier code reworks but
22933152934f3 doesn't seem to contain any code following that if-else
so maybe review driven changes.

On Mon 20-01-14 13:22:03, Vladimir Davydov wrote:
> Signed-off-by: Vladimir Davydov <vdavydov@...allels.com>

Reviewed-by: Michal Hocko <mhocko@...e.cz>

> ---
>  mm/memcontrol.c |    6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 7f1a356..7f1511d 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -3311,11 +3311,9 @@ static void kmem_cache_destroy_work_func(struct work_struct *w)
>  	 * So if we aren't down to zero, we'll just schedule a worker and try
>  	 * again
>  	 */
> -	if (atomic_read(&cachep->memcg_params->nr_pages) != 0) {
> +	if (atomic_read(&cachep->memcg_params->nr_pages) != 0)
>  		kmem_cache_shrink(cachep);
> -		if (atomic_read(&cachep->memcg_params->nr_pages) == 0)
> -			return;
> -	} else
> +	else
>  		kmem_cache_destroy(cachep);
>  }
>  
> -- 
> 1.7.10.4
> 
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-- 
Michal Hocko
SUSE Labs
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