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SubjectRe: [RFC][PATCH 1/3] CGroups: Add a per-subsystem hierarchy_mutex
On Wed, Dec 10, 2008 at 10:29 PM, Balbir Singh
<> wrote:
> Seems reasonable, I was wondering if instead of acquiring a mutex per
> subsystem that shares the root, if we can collapse it to a single
> mutex and prevent cgroup from changing binding. Those are
> optimizations that we can think of later

You mean a single hierarchy_mutex per root? But given that one of the
things being protected is which root you're attached to, if you're
trying to prevent hierarchy changes then which root's hierarchy_mutex
would you lock?


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