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b4536f0cab
cgroup is implementing support for subsystem dependency which would require a way to enable a subsystem even when it's not directly configured through "cgroup.subtree_control". The previous patches added support for explicitly and implicitly enabled subsystems and showing/hiding their interface files. An explicitly enabled subsystem may become implicitly enabled if it's turned off through "cgroup.subtree_control" but there are subsystems depending on it. In such cases, the subsystem, as it's turned off when seen from userland, shouldn't enforce any resource control. Also, the subsystem may be explicitly turned on later again and its interface files should be as close to the intial state as possible. This patch adds cgroup_subsys->css_reset() which is invoked when a css is hidden. The callback should disable resource control and reset the state to the vanilla state. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> |
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| .. | ||
| 00-INDEX | ||
| blkio-controller.txt | ||
| cgroups.txt | ||
| cpuacct.txt | ||
| cpusets.txt | ||
| devices.txt | ||
| freezer-subsystem.txt | ||
| hugetlb.txt | ||
| memcg_test.txt | ||
| memory.txt | ||
| net_cls.txt | ||
| net_prio.txt | ||
| resource_counter.txt | ||
| unified-hierarchy.txt | ||