Messages in this thread | | | From | Volker Armin Hemmann <> | Subject | Re: amd64 + mtrr: only 3.1gb of 8gb are covered, kernel 2.6.30 and earlier. | Date | Sun, 23 Aug 2009 11:11:26 +0200 |
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On Sonntag 23 August 2009, Yinghai Lu wrote: > On Sat, Aug 22, 2009 at 12:26 PM, Volker Armin > > Hemmann<volkerarmin@googlemail.com> wrote: > > when I went from 4gb to 6gb I had a performance degradation. Since the > > 8gb are faster and the new cpu is faster, I don't see degradation. But I > > wonder how much better performance could be with 'correct' mtrr. > > that is weird. with 4g should have mem hole remapping. > > do you still have /proc/mtrr for 6g setup? > > YH
I have it here: http://marc.info/?l=linux-kernel&m=124336823415460&w=2
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