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authorLi Zefan <lizefan@huawei.com>2013-03-12 15:35:59 -0700
committerTejun Heo <tj@kernel.org>2013-03-12 15:35:59 -0700
commitd7eeac1913ff86a17f891cb4b73f03d4b94907d0 (patch)
tree1e44fde86b626dbeb7c27f007eeebce7d47ef206 /Documentation/cgroups
parent6dc01181eac16192dc4a5d1b310b78e2e97c003c (diff)
downloadlinux-d7eeac1913ff86a17f891cb4b73f03d4b94907d0.tar.gz
cgroup: hold cgroup_mutex before calling css_offline()
cpuset no longer nests cgroup_mutex inside cpu_hotplug lock, so we don't have to release cgroup_mutex before calling css_offline(). Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/cgroups')
-rw-r--r--Documentation/cgroups/cgroups.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt
index bcf1a00b06a..0028e888828 100644
--- a/Documentation/cgroups/cgroups.txt
+++ b/Documentation/cgroups/cgroups.txt
@@ -580,6 +580,7 @@ propagation along the hierarchy. See the comment on
cgroup_for_each_descendant_pre() for details.
void css_offline(struct cgroup *cgrp);
+(cgroup_mutex held by caller)
This is the counterpart of css_online() and called iff css_online()
has succeeded on @cgrp. This signifies the beginning of the end of