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    SubjectRe: [patch v4 08/18] Revert "sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking"
    On 02/12/2013 06:27 PM, Peter Zijlstra wrote:
    > On Thu, 2013-01-24 at 11:06 +0800, Alex Shi wrote:
    >> Remove CONFIG_FAIR_GROUP_SCHED that covers the runnable info, then
    >> we can use runnable load variables.
    >>
    > It would be nice if we could quantify the performance hit of doing so.
    > Haven't yet looked at later patches to see if we remove anything to
    > off-set this.
    >

    In our rough testing, no much clear performance changes.

    --
    Thanks
    Alex


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