Re: [RFC][PATCH v2 00/21] PMEM NUMA node and hotness accounting/migration

From: Michal Hocko
Date: Tue Jan 08 2019 - 09:53:01 EST


On Wed 02-01-19 12:21:10, Jonathan Cameron wrote:
[...]
> So ideally I'd love this set to head in a direction that helps me tick off
> at least some of the above usecases and hopefully have some visibility on
> how to address the others moving forwards,

Is it sufficient to have such a memory marked as movable (aka only have
ZONE_MOVABLE)? That should rule out most of the kernel allocations and
it fits the "balance by migration" concept.
--
Michal Hocko
SUSE Labs