Tejun Heo cb0f1fe9ba cgroup: move css_set_rwsem locking outside of cgroup_task_migrate() ...

Instead of repeatedly locking and unlocking css_set_rwsem inside
cgroup_task_migrate(), update cgroup_attach_task() to grab it outside
of the loop and update cgroup_task_migrate() to use
put_css_set_locked().

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>

2014-02-13 06:58:41 -05:00

125 KiB

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