Messages in this thread | | | Date | Thu, 02 Oct 2014 15:12:55 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH 4/4] mm: numa: Do not mark PTEs pte_numa when splitting huge pages |
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On 10/02/2014 03:07 PM, Kirill A. Shutemov wrote: > 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@oracle.com> 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.
That's true. You can impose arbitrary configurations on your kernel even without your hardware telling you to...
Thanks, Sasha
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