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    SubjectRe: 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables
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    On Wed, 2005-12-28 at 22:59 +0000, Hugh Dickins wrote:
    > I wish you'd found it at -rc1 time.

    Unfortunately this is the kind of thing that only could have been found
    with Ingo's latency tracer, and the -rt patch set was not rebased to
    2.6.15 until -rc5.

    I'm not sure how much work it would be to break out CONFIG_LATENCY_TRACE
    as a separate patch.

    Thanks for the patch, I'll try it.

    Lee



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