Messages in this thread | | | Date | Fri, 6 Nov 2015 12:45:17 -0500 | From | Johannes Weiner <> | Subject | Re: [PATCH 5/8] mm: memcontrol: account socket memory on unified hierarchy |
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On Fri, Nov 06, 2015 at 05:46:57PM +0100, Michal Hocko wrote: > The basic problem was that the Delegate feature has been backported to > our systemd package without further consideration and that has > invalidated a lot of performance testing because some resource > controllers have measurable effects on those benchmarks.
You're talking about a userspace bug. No amount of fragmenting and layering and opt-in in the kernel's runtime configuration space is going to help you if you screw up and enable it all by accident.
> > All I read here is vague inflammatory language to spread FUD. > > I was merely pointing out that memory controller might be enabled without > _user_ actually even noticing because the controller wasn't enabled > explicitly. I haven't blamed anybody for that.
Why does that have anything to do with how we design our interface?
We can't do more than present a sane interface in good faith and lobby userspace projects if we think they misuse it.
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