On Tue 07-05-19 13:45:14, Sasha Levin wrote: [...] > We're going to have (quite a) large amount of systems with "weird" > memory layouts that do memory hotplug quite frequently in production, so > this whole "tends to work usually" thing kinda scares me.
Memory hotplug is simply not production ready for those cases, unfortunately. It tends to work just fine with properly section aligned systems with memory being in the movable zones or for zone device. Everything beyond that is kinda long way to get there... -- Michal Hocko SUSE Labs
