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

David Hildenbrand
2018-12-17T13:29:11Z

On 17.12.18 13:28, Michal Hocko wrote:
> 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.
>

True as well. The reason I am asking is, that memblock usually takes
care of physical memory holes.

--

Thanks,

David / dhildenb