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authorPaul Jackson <pj@sgi.com>2008-07-04 10:00:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-04 10:40:09 -0700
commit985ee7f224cca8a0d622b24ec399f364c63fc274 (patch)
tree0d53400018d9866af2b04d7c0ccba735d6678595 /Documentation/cpusets.txt
parentAlpha Linux kernel fails with inconsistent kallsyms data (diff)
downloadlinux-dev-985ee7f224cca8a0d622b24ec399f364c63fc274.tar.xz
linux-dev-985ee7f224cca8a0d622b24ec399f364c63fc274.zip
cpusets: document proc status cpus and mems allowed lists
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@sgi.com> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--Documentation/cpusets.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt
index 353504de3084..894b844153ea 100644
--- a/Documentation/cpusets.txt
+++ b/Documentation/cpusets.txt
@@ -154,13 +154,15 @@ browsing and modifying the cpusets presently known to the kernel. No
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