Re: [PATCH 0/4] mm,memory_hotplug: allocate memmap from hotadded memory

Oscar Salvador
2019-04-01T07:59:39Z

On Fri, Mar 29, 2019 at 02:42:43PM +0100, Michal Hocko wrote:
> Having a larger contiguous area is definitely nice to have but you also
> have to consider the other side of the thing. If we have a movable
> memblock with unmovable memory then we are breaking the movable
> property. So there should be some flexibility for caller to tell whether
> to allocate on per device or per memblock. Or we need something to move
> memmaps during the hotremove.

By movable memblock you mean a memblock whose pages can be migrated over when
this memblock is offlined, right?

--
Oscar Salvador
SUSE L3