On Tue 10-04-18 17:55:13, Sasha Levin wrote: > On Tue, Apr 10, 2018 at 04:01:32PM +0200, Michal Hocko wrote: > >On Tue 10-04-18 13:50:30, Sasha Levin wrote: > >> Hi, > >> > >> [This is an automated email] > >> > >> This commit has been processed because it contains a "Fixes:" tag, > >> fixing commit: 00f3ca2c2d66 mm: memcontrol: per-lruvec stats infrastructure. > > > >Yes and the changelog states conditions which are quite hard to achieve > >to have this patch in the stable tree. So I am not really convinced it > >is worth backporting even though the patch itself is trivial. > > Quite hard to achieve, but the changelog also indicated that this was > actually hit and is not just theoretical. Is there something that will > prevent this from happening on "real" workloads? Well, small allocations do not really fail and it would take to configure a really large NUMA system to achieve the same. So I am skeptical. -- Michal Hocko SUSE Labs