Re: [PATCH 2/2] x86 e820: Introduce memmap=resetusablemap for kdump usage

H. Peter Anvin
2013-01-29T02:12:10Z

On 01/28/2013 06:10 PM, Yinghai Lu wrote:
>
> kexec-tools will change that to E820_KDUMP_RESERVED (or other good name).
>
> We only need to update kernel to get old max_pfn by
> checking E820_KDUMP_RESERVED.
>

OK, I have asked this before, but I still have not gotten any acceptable
answer:

Why do we still have max_*_pfn at all? Shouldn't it all be based on
memblocks by now?

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.