cgroup: call cgroup_subsys->bind on cgroup subsys initialization

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Currently, we call cgroup_subsys->bind only on unmount, remount, and
when creating a new root on mount. Since the default hierarchy root is
created in cgroup_init, we will not call cgroup_subsys->bind if the
default hierarchy is freshly mounted. As a result, some controllers will
behave incorrectly (most notably, the "memory" controller will not
enable hierarchy support). Fix this by calling cgroup_subsys->bind right
after initializing a cgroup subsystem.

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Vladimir Davydov 2015-02-19 17:34:46 +03:00 • committed by Tejun Heo

parent 283cb41f42

commit 295458e672

1 changed files with 3 additions and 0 deletions

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kernel/cgroup.c

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