linux-kernel - Re: [PATCH] cpusets: document proc status cpus and mems allowed lists

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Date:	Fri, 27 Jun 2008 16:40:18 +0200
From:	"Michael Kerrisk" <mtk.manpages@...glemail.com>
To:	"Paul Jackson" <pj@....com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Paul Menage" <menage@...gle.com>, linux-kernel@...r.kernel.org,
	"Mike Travis" <travis@....com>
Subject: Re: [PATCH] cpusets: document proc status cpus and mems allowed lists

On Fri, Jun 27, 2008 at 4:05 PM, Paul Jackson <pj@....com> wrote:
> From: Paul Jackson <pj@....com>
>
> Provide a little documentation for the two new fields,
> Cpus_allowed_list and Mems_allowed_list, that were
> added to each /proc/<pid>/status file a while back.
>
> Signed-off-by: Paul Jackson <pj@....com>

Acked-by: Michael Kerrisk <mtk,manpages@...il.com>

> ---
>  Documentation/cpusets.txt |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> --- 2.6.26-rc5-mm3.orig/Documentation/cpusets.txt       2008-06-27 06:20:55.000000000 -0700
> +++ 2.6.26-rc5-mm3/Documentation/cpusets.txt    2008-06-27 06:55:34.609862065 -0700
> @@ -154,13 +154,15 @@ browsing and modifying the cpusets prese
>  new system calls are added for cpusets - all support for querying and
>  modifying cpusets is via this cpuset file system.
>
> -The /proc/<pid>/status file for each task has two added lines,
> +The /proc/<pid>/status file for each task has four added lines,
>  displaying the tasks cpus_allowed (on which CPUs it may be scheduled)
>  and mems_allowed (on which Memory Nodes it may obtain memory),
> -in the format seen in the following example:
> +in the two formats seen in the following example:
>
>   Cpus_allowed:   ffffffff,ffffffff,ffffffff,ffffffff
> +  Cpus_allowed_list:      0-127
>   Mems_allowed:   ffffffff,ffffffff
> +  Mems_allowed_list:      0-63
>
>  Each cpuset is represented by a directory in the cgroup file system
>  containing (on top of the standard cgroup files) the following
>
> --
>                          I won't rest till it's the best ...
>                          Programmer, Linux Scalability
>                          Paul Jackson <pj@....com> 1.650.933.1373
>



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
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