Re: [PATCH 4/4] mm: numa: Do not mark PTEs pte_numa when splitting huge pages

[Kirill A. Shutemov]

On Thu, Oct 02, 2014 at 12:03:58PM -0700, Linus Torvalds wrote:
> On Thu, Oct 2, 2014 at 11:58 AM, Sasha Levin <sasha.levin@xxxxxxxxxx> wrote:
> >
> > You've also mentioned that while I can tell you if nothing dies, I can't
> > really tell you if everything is working well. Is there a reasonable way
> > to easily say if NUMA is working properly? Even something that would just
> > tell me "your NUMA balancing seems to be sane" would be good.
> 
> So not having a NUMA machine (and not really wanting one), I can't
> really test things like the migration even *working*.

I believe Sasha uses fakenuma in his KVM for that.

-- 
 Kirill A. Shutemov
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