On Tue 07-05-19 10:36:55, Matthew Wilcox wrote: > On Tue, May 07, 2019 at 07:32:24PM +0200, Michal Hocko wrote: > > On Tue 07-05-19 13:18:06, Sasha Levin wrote: > > > Michal, is there a testcase I can plug into kselftests to make sure we > > > got this right (and don't regress)? We care a lot about memory hotplug > > > working right. > > > > As said in other email. The memory hotplug tends to work usually. It > > takes unexpected memory layouts which trigger corner cases. This makes > > testing really hard. > > Can we do something with qemu? Is it flexible enough to hotplug memory > at the right boundaries? No idea. But I have tried to describe those layouts in the changelog so if somebody can come up with a way to reproduce them under kvm/qemu I would really appreciate that. -- Michal Hocko SUSE Labs
