linux-kernel - Re: [PATCH v4 08/25] memcg: change defines to an enum

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Message-ID: <20120620131322.GD5541@tiehlicka.suse.cz>
Date:	Wed, 20 Jun 2012 15:13:22 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Glauber Costa <glommer@...allels.com>
Cc:	linux-mm@...ck.org, Pekka Enberg <penberg@...nel.org>,
	Cristoph Lameter <cl@...ux.com>,
	David Rientjes <rientjes@...gle.com>, cgroups@...r.kernel.org,
	devel@...nvz.org, kamezawa.hiroyu@...fujitsu.com,
	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH v4 08/25] memcg: change defines to an enum

[Sorry for late reply. I am aware of the series, I am just too busy to
give it serious time needed for review. It doesn't make much sense to
delay these preparational pieces so...]

On Mon 18-06-12 14:28:01, Glauber Costa wrote:
> This is just a cleanup patch for clarity of expression.
> In earlier submissions, people asked it to be in a separate
> patch, so here it is.
> 
> Signed-off-by: Glauber Costa <glommer@...allels.com>
> CC: Michal Hocko <mhocko@...e.cz>
> CC: Johannes Weiner <hannes@...xchg.org>
> Acked-by: Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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

> ---
>  mm/memcontrol.c |    9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index b6cb075..cc1fdb4 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -374,9 +374,12 @@ enum charge_type {
>  };
>  
>  /* for encoding cft->private value on file */
> -#define _MEM			(0)
> -#define _MEMSWAP		(1)
> -#define _OOM_TYPE		(2)
> +enum res_type {
> +	_MEM,
> +	_MEMSWAP,
> +	_OOM_TYPE,
> +};
> +
>  #define MEMFILE_PRIVATE(x, val)	(((x) << 16) | (val))
>  #define MEMFILE_TYPE(val)	(((val) >> 16) & 0xffff)
>  #define MEMFILE_ATTR(val)	((val) & 0xffff)
> -- 
> 1.7.10.2
> 
> --
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-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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