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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>