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SubjectRe: [RFC] cgroup TODOs

On Fri, Sep 14, 2012 at 05:12:31PM +0800, Li Zefan wrote:
> Agreed. The biggest issue in cpuset is if hotplug makes a cpuset's cpulist
> empty the tasks in it will be moved to an ancestor cgroup, which requires
> holding cgroup lock. We have to either change cpuset's behavior or eliminate
> the global lock.

Does that have to happen synchronously? Can't we have a cgroup
operation which asynchronously pushes all tasks in a cgroup to its
parent from a work item?



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