Messages in this thread | | | Date | Fri, 16 Dec 2011 10:29:31 -0800 | Subject | Re: [PATCH 1/1] x86: Exclude E820_RESERVED regions and memory holes above 4 GB from direct mapping. | From | Yinghai Lu <> |
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On Fri, Dec 16, 2011 at 9:54 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> > For 2 - why can't we simply make the invariant that E820_RAM is mapped and > nothing else, with the sole exceptions being the 1 MiB (fixed MTRR)?
Yes, we could do that. but need to track mapped area in simple way. like later memory hotadd or remove to update those tracking.
Thanks
Yinghai
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