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    SubjectRe: [PATCH v5 2/9] task_isolation: vmstat: add vmstat_idle function
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    On Mon, Nov 23 2020 at 17:56, Alex Belits wrote:
    > This function checks to see if a vmstat worker is not running,
    > and the vmstat diffs don't require an update. The function is
    > called from the task-isolation code to see if we need to
    > actually do some work to quiet vmstat.

    A changelog has to explain _WHY_ this change is necessary and not _WHAT_
    the patch is doing.

    Thanks,

    tglx

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