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    SubjectRe: 2.6.19-rc6-mm1 -- sched-improve-migration-accuracy.patch slows boot
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    On Sat, 2006-11-25 at 11:48 -0800, Don Mullis wrote:
    > > +sched-improve-migration-accuracy.patch
    > > +sched-improve-migration-accuracy-tidy.patch
    >
    > Bisection shows that this pair of patches raises the boot time;
    > specifically, the delay from logging of
    >
    > "INIT: version 2.86 booting"
    >
    > to
    > " Welcome to Fedora Core"
    >
    > goes from 4s to 4m40s. From there to

    Wow.

    >
    >
    > "Setting clock (utc): Sat Nov 25 10:18:11 PST 2006 [ OK ]"
    >
    > takes an additional 30s.

    This must be a bisection false positive. The patch in question is
    essentially a no-op for a UP kernel.

    -Mike

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