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cgroup: Add mount flag to enable cpuset to use v2 behavior in v1 cgroup

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A new mount option "cpuset_v2_mode" is added to the v1 cgroupfs
filesystem to enable cpuset controller to use v2 behavior in a v1
cgroup. This mount option applies only to cpuset controller and have
no effect on other controllers.

Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Waiman Long 2017-08-17 15:33:09 -04:00 • committed by Tejun Heo
parent 696b98f244
commit e1cba4b85d
2 changed files with 11 additions and 0 deletions
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5
include/linux/cgroup-defs.h
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@ -74,6 +74,11 @@ enum {
* aren't writeable from inside the namespace.
*/
CGRP_ROOT_NS_DELEGATE = (1 << 3),
/*
* Enable cpuset controller in v1 cgroup to use v2 behavior.
*/
CGRP_ROOT_CPUSET_V2_MODE = (1 << 4),
};
/* cftype->flags */