Messages in this thread | | | Date | Thu, 23 Feb 2006 09:44:30 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: Patch to reorder functions in the vmlinux to a defined order |
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On Thu, 23 Feb 2006, Andi Kleen wrote: > > I was to suggest the same thing originally, but on several boxes I checked > there weren't any special MTRRs < 1MB, only in the PCI memory hole > <4GB. I suspect there isn't just any interesting hardware in 640K anymore.
I wasn't talking about the regular MTRR's, but about the magic one: the "Fixed Range MTRRs" that only map the low 1MB.
I'm pretty sure that they are still used by the BIOS to set up the 640k->1M window.
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