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SubjectRe: [PATCH 3/5] Container Freezer: Implement freezer cgroup subsystem
Paul Menage wrote:
> On Mon, Nov 3, 2008 at 10:12 PM, Li Zefan <> wrote:
>> I think another reasonable and easier way is to disable writing freezer.state
>> of top cgroup, so we can skip checks in freezer_fork() for tasks in top cgroup.
> Yes, if freezing the root cgroup isn't needed then that is definitely
> simpler - I wasn't sure if Matt wanted to be able to freeze the root
> group with this subsystem.

If someone just mounts the freezer subsystem and freeze the root cgroup,
all the tasks will be freezed, and then seems all he can do is reset the
machine (or do a suspend/resume).

That's why I think it's reasonable to disable it.

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