Re: [PATCH 1/7] small cleanup for memcontrol.c

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

On Tue, 21 Feb 2012 15:34:33 +0400
Glauber Costa <glommer@parallels.com> wrote:

> Move some hardcoded definitions to an enum type.
> 
> Signed-off-by: Glauber Costa <glommer@parallels.com>
> CC: Kirill A. Shutemov <kirill@shutemov.name>
> CC: Greg Thelen <gthelen@google.com>
> CC: Johannes Weiner <jweiner@redhat.com>
> CC: Michal Hocko <mhocko@suse.cz>
> CC: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com>
> CC: Paul Turner <pjt@google.com>
> CC: Frederic Weisbecker <fweisbec@gmail.com>

seems ok to me.

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

a nitpick..

> ---
>  mm/memcontrol.c |   10 +++++++---
>  1 files changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 6728a7a..b15a693 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -351,9 +351,13 @@ enum charge_type {
>  };
>  
>  /* for encoding cft->private value on file */
> -#define _MEM			(0)
> -#define _MEMSWAP		(1)
> -#define _OOM_TYPE		(2)
> +
> +enum mem_type {
> +	_MEM = 0,

=0 is required ?

> +	_MEMSWAP,
> +	_OOM_TYPE,
> +};
> +
>  #define MEMFILE_PRIVATE(x, val)	(((x) << 16) | (val))
>  #define MEMFILE_TYPE(val)	(((val) >> 16) & 0xffff)
>  #define MEMFILE_ATTR(val)	((val) & 0xffff)
> -- 
> 1.7.7.6
> 
> 

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