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| author | Li Zefan <lizefan@huawei.com> | 2012-06-06 19:12:30 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2012-06-06 19:12:30 -0700 |
| commit | 6be96a5c905178637ec06a5d456a76b2b304fca3 (patch) | |
| tree | 06cc22397df498c7e4dbb7195f77d1bc587295e3 /Documentation/cgroups | |
| parent | 967db0ea65b0bf8507a7643ac8f296c4f2c0a834 (diff) | |
| download | lwn-6be96a5c905178637ec06a5d456a76b2b304fca3.tar.gz lwn-6be96a5c905178637ec06a5d456a76b2b304fca3.zip | |
cgroup: remove hierarchy_mutex
It was introduced for memcg to iterate cgroup hierarchy without
holding cgroup_mutex, but soon after that it was replaced with
a lockless way in memcg.
No one used hierarchy_mutex since that, so remove it.
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.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt index 8e74980ab385..e86faaea7d66 100644 --- a/Documentation/cgroups/cgroups.txt +++ b/Documentation/cgroups/cgroups.txt @@ -656,7 +656,7 @@ example in cpusets, no task may attach before 'cpus' and 'mems' are set up. void bind(struct cgroup *root) -(cgroup_mutex and ss->hierarchy_mutex held by caller) +(cgroup_mutex held by caller) Called when a cgroup subsystem is rebound to a different hierarchy and root cgroup. Currently this will only involve movement between |