Re: [PATCH] mm, memory_hotplug: Don't bail out in do_migrate_range prematurely

From: Michal Hocko
Date: Tue Dec 11 2018 - 05:20:20 EST

On Tue 11-12-18 10:35:53, David Hildenbrand wrote:
> So somehow remember if we had issues with one page and instead of
> reporting 0, report e.g. -EAGAIN?

There is no consumer of the return value right now and it is not really
clear whether we need one. I would just make do_migrate_range return void.
Michal Hocko