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    SubjectRe: [PATCH v4] sched: automated per session task groups

    * Linus Torvalds <> wrote:

    > On Mon, Nov 29, 2010 at 3:53 AM, Peter Zijlstra <> wrote:
    > >
    > > Well we totally re-wrote the cgroup load-balancer in -tip. The thing currently
    > > in -linus is a utter crap because its very strongly serialized across all cores
    > > (some people spend like 25% of their time in there).
    > Well, it seems that the rewrite is more crap than the "utter crap" in current
    > -git. What does that make -tip? Super-utter-crap?

    Something along that line, or worse.

    > Peter - getting the wrong answer quickly is not any better than strong
    > serialization.

    Yeah, obviously.

    > Anyway, I'm happy to hear that the problem hasn't reached mainline yet.

    It wont.



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