Messages in this thread | | | Date | Thu, 28 Jan 2016 10:48:09 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH] vmstat: make vmstat_update deferrable (was: Re: [PATCH] mm, vmstat: make quiet_vmstat lighter) path cycle muncher (vmstat: make vmstat_updater deferrable) again and shut down on idle) |
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On Thu, 28 Jan 2016, Michal Hocko wrote:
> down on idle") made vmstat_shepherd deferrable. vmstat_update itself > is still using standard timer which might interrupt idle task. This > is possible because "mm, vmstat: make quiet_vmstat lighter" removed > cancel_delayed_work from the quiet_vmstat. Change vmstat_work to > use DEFERRABLE_WORK to prevent from pointless wakeups from the idle > context.
Acked-by: Christoph Lameter <cl@linux.com>
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