Messages in this thread | | | Date | Thu, 24 Jan 2008 23:50:45 -0800 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86: trim ram need to check if mtrr is there v2 |
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On Jan 24, 2008 9:44 PM, H. Peter Anvin <hpa@zytor.com> wrote: > Yinghai Lu wrote: > >> H. Peter Anvin wrote: > >> Looks like the code doesn't check that the CPU *has* MTRRs... > > > > so check it mtrr is there, also check if mem less 4G and is AMD as early > > Why the check for < 4 GB? The same thing applies to memory below the 4 > GB limit -- in fact, we've had a number of that kind of systems in the past.
then we could remove that.
YH
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