Messages in this thread | | | Date | Wed, 10 Sep 2014 19:05:06 +0200 | From | Michal Hocko <> | Subject | Re: regression caused by cgroups optimization in 3.17-rc2 |
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On Wed 10-09-14 09:57:56, Dave Hansen wrote: > On 09/10/2014 09:29 AM, Michal Hocko wrote: > > I do not have a bigger machine to play with unfortunately. I think the > > patch makes sense on its own. I would really appreciate if you could > > give it a try on your machine with !root memcg case to see how much it > > helped. I would expect similar results to your previous testing without > > the revert and Johannes' patch. > > So you want to see before/after this patch: > > Subject: [PATCH] mm, memcg: Do not kill release batching in > free_pages_and_swap_cache > > And you want it on top of a kernel with the revert or without?
Revert doesn't make any difference if you run the load inside a memcg (without any limit set). So just before and after the patch would be sufficient.
Thanks a lot Dave! -- Michal Hocko SUSE Labs
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