Messages in this thread | | | Date | Mon, 22 Oct 2012 14:27:38 -0700 | From | "H. Peter Anvin" <> | Subject | Re: BUG: 1bbbbe7 (x86: Exclude E820_RESERVED regions...) PANIC on boot |
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On 10/22/2012 02:25 PM, Yinghai Lu wrote: > On Mon, Oct 22, 2012 at 1:52 PM, H. Peter Anvin <hpa@linux.intel.com> wrote: >> On 10/22/2012 01:50 PM, Yinghai Lu wrote: >>> ok, let's see if we can meet this extreme corner case except user >>> specify not page aligned "memmap=" >> >> If it is *only* memmap= there is a very simple solution: if the memmap >> is RAM then we round up the starting address and round down the end >> address; if the memmap is not RAM then we round up instead... > > We never know that bios guys will not let bios produce crazy e820 map. >
Yeah, well, that just *will* happen... that's a given.
We can trim those ranges, though. Who cares if we lose some RAM.
-hpa
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