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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-14 04:29:49 (GMT)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-14 04:29:49 (GMT)
commit11c2d8174ed3dc4f1971564732689b4a39129702 (patch)
treeac00daa548ea8ac24ae7a5c8062312e335ab9858 /Documentation/cpusets.txt
parentcde274c0c789404df8ece3f9e7d6506caf0127e2 (diff)
parentbce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff)
downloadlinux-fsl-qoriq-11c2d8174ed3dc4f1971564732689b4a39129702.tar.xz
Merge commit 'origin/HEAD' into test-merge
Manual fixup of include/asm-powerpc/pgtable-ppc64.h
Diffstat (limited to 'Documentation/cpusets.txt')
-rw-r--r--Documentation/cpusets.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt
index 353504d..1f5a924 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
@@ -544,6 +546,9 @@ otherwise initial value -1 that indicates the cpuset has no request.
( 4 : search nodes in a chunk of node [on NUMA system] )
( 5 : search system wide [on NUMA system] )
+The system default is architecture dependent. The system default
+can be changed using the relax_domain_level= boot parameter.
+
This file is per-cpuset and affect the sched domain where the cpuset
belongs to. Therefore if the flag 'sched_load_balance' of a cpuset
is disabled, then 'sched_relax_domain_level' have no effect since