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SubjectRe: [PATCH 2/2] x86, e820 disable ACPI Memory Hotplug if memory mapping is specified by user [v2]
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On Mon, 2014-01-13 at 17:29 -0800, H. Peter Anvin wrote:
> On 01/13/2014 05:09 PM, Toshi Kani wrote:
> >
> > In majority of the cases, memmap=exactmap is used for kdump and the
> > firmware info is sane. So, I think we should keep NUMA enabled since it
> > could be useful when multiple CPUs are enabled for kdump.
> >
>
> Rather unlikely since all of the kdump memory is likely to sit in a
> single node.

Right, but CPUs are distributed into multiple nodes, which dump the 1st
kernel's memory. So, these CPUs should dump their local memory ranges.

Thanks,
-Toshi



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