Messages in this thread | | | Date | Tue, 5 Jun 2018 13:46:22 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 07/13] memcontrol: schedule throttling if we are congested |
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On Tue, Jun 05, 2018 at 09:29:42AM -0400, Josef Bacik wrote: > From: Tejun Heo <tj@kernel.org> > > Memory allocations can induce swapping via kswapd or direct reclaim. If > we are having IO done for us by kswapd and don't actually go into direct > reclaim we may never get scheduled for throttling. So instead check to > see if our cgroup is congested, and if so schedule the throttling. > Before we return to user space the throttling stuff will only throttle > if we actually required it. > > Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
-- tejun
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