Re: [PATCH AUTOSEL 4.14 62/95] mm, memory_hotplug: initialize struct pages for the full memory section

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On Tue, May 07, 2019 at 07:32:24PM +0200, Michal Hocko wrote:
> On Tue 07-05-19 13:18:06, Sasha Levin wrote:
> > Michal, is there a testcase I can plug into kselftests to make sure we
> > got this right (and don't regress)? We care a lot about memory hotplug
> > working right.
> 
> As said in other email. The memory hotplug tends to work usually. It
> takes unexpected memory layouts which trigger corner cases. This makes
> testing really hard.

Can we do something with qemu?  Is it flexible enough to hotplug memory
at the right boundaries?



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