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authorTejun Heo <tj@kernel.org>2012-11-09 09:12:30 -0800
committerTejun Heo <tj@kernel.org>2012-11-09 09:12:30 -0800
commita225218060fc8f10ed396c9c8187074697ad044d (patch)
treed514f4c696ba846a1f63a3e93cc2c7eb093c2312 /Documentation/cgroups/freezer-subsystem.txt
parentd6a2fe134219adf94e6bd0c8f6e2a3163ff68c41 (diff)
cgroup_freezer: introduce CGROUP_FREEZING_[SELF|PARENT]
Introduce FREEZING_SELF and FREEZING_PARENT and make FREEZING OR of the two flags. This is to prepare for full hierarchy support. freezer_apply_date() is updated such that it can handle setting and clearing of both flags. The two flags are also exposed to userland via read-only files self_freezing and parent_freezing. Other than the added cgroupfs files, this patch doesn't introduce any behavior change. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Michal Hocko <mhocko@suse.cz>
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