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

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Message-Id: <20080627140528.3490.86690.sendpatchset@polaris-admin.engr.sgi.com>
Date:	Fri, 27 Jun 2008 07:05:28 -0700
From:	Paul Jackson <pj@....com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	"Michael Kerrisk" <mtk.manpages@...glemail.com>,
	"Paul Menage" <menage@...gle.com>, Paul Jackson <pj@....com>,
	linux-kernel@...r.kernel.org, "Mike Travis" <travis@....com>
Subject: [PATCH] cpusets: document proc status cpus and mems allowed lists

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>

---
 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
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