[PATCH v5 2/9] task_isolation: vmstat: add vmstat_idle function

[Thomas Gleixner]

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