| commit | 6be96a5c905178637ec06a5d456a76b2b304fca3 | [log] [tgz] |
|---|---|---|
| author | Li Zefan <lizefan@huawei.com> | Wed Jun 06 19:12:30 2012 -0700 |
| committer | Tejun Heo <tj@kernel.org> | Wed Jun 06 19:12:30 2012 -0700 |
| tree | 06cc22397df498c7e4dbb7195f77d1bc587295e3 | |
| parent | 967db0ea65b0bf8507a7643ac8f296c4f2c0a834 [diff] |
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>