On Tue 22-10-19 10:15:07, David Hildenbrand wrote: > On 22.10.19 10:08, Michal Hocko wrote: > > On Tue 22-10-19 08:52:28, David Hildenbrand wrote: > > > On 21.10.19 19:23, David Hildenbrand wrote: > > > > Two cleanups that popped up while working on (and discussing) virtio-mem: > > > > https://lkml.org/lkml/2019/9/19/463 > > > > > > > > Tested with DIMMs on x86. > > > > > > > > As discussed with michal in v1, I'll soon look into removing the use > > > > of PG_reserved during memory onlining completely - most probably > > > > disallowing to offline memory blocks with holes, cleaning up the > > > > onlining+offlining code. > > > > > > BTW, I remember that ZONE_DEVICE pages are still required to be set > > > PG_reserved. That has to be sorted out first. > > > > Do they? > > Yes, especially KVM code :/ Details please? -- Michal Hocko SUSE Labs