Re: [PATCH v2 3/6] mm/memory_hotplug: Process all zones when removing memory

From: Michal Hocko
Date: Fri Aug 30 2019 - 02:01:09 EST

On Thu 29-08-19 18:59:31, David Hildenbrand wrote:
> On 29.08.19 18:27, Michal Hocko wrote:
> > No rush, really... It seems this is quite unlikely event as most hotplug
> > usecases simply online memory before removing it later on.
> >
> I can trigger it reliably right now while working/testing virtio-mem, so
> I finally want to clean up this mess :) (has been on my list for a long
> time). I'll try to hunt for the right commit id's that broke it.

f1dd2cd13c4b ("mm, memory_hotplug: do not associate hotadded memory to
zones until online")

Michal Hocko