cgroup: factor out kill_css()

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Factor out css ref killing from cgroup_destroy_locked() into
kill_css().  We're gonna add more to the path and the factored out
function will eventually be called from other places too.

While at it, replace open coded percpu_ref_get() with css_get() for
consistency.  This shouldn't cause any functional difference as the
function is not used for root cgroups.

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

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This commit is contained in:

Tejun Heo 2013-08-13 20:22:51 -04:00

parent 09a503ea3a

commit edae0c3358

1 changed files with 35 additions and 23 deletions

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kernel/cgroup.c

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