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    SubjectRe: [RFC] [PATCH] Performance of del_timer_sync
    Geoff Gustafson <geoff@linux.jf.intel.com> wrote:
    >
    > I started this patch based on profiling an enterprise database application
    > on a 32p IA64 NUMA machine, where del_timer_sync was one of the top few
    > functions taking CPU time in the kernel.

    Do you know where it's being called from?
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