Re: [PATCH v2 1/1] mm, memory_hotplug: Initialize struct pages for the full memory section

Michal Hocko
2018-12-17T12:28:14Z

On Mon 17-12-18 10:38:32, David Hildenbrand wrote:
[...]
> I am wondering if we should fix this on the memblock level instead than.
> Something like, before handing memory over to the page allocator, add
> memory as reserved up to the last section boundary. Or even when setting
> the physical memory limit (mem= scenario).

Memory initialization is spread over several places and that makes it
really hard to grasp and maintain. I do not really see why we should
make memblock even more special. We do intialize the section worth of
memory here so it sounds like a proper place to quirk for incomplete
sections.
--
Michal Hocko
SUSE Labs