RE: HIGH MEMORY access

From: nathan.zook@amd.com
Date: Fri Mar 03 2000 - 12:08:09 EST


Marking them NVS is an error, but I've been leaning towards mapping the NVS
pages anyway.

Nathan

> -----Original Message-----
> From: orc@pell.portland.or.us [mailto:orc@pell.portland.or.us]
>
> >> From: Manfred Spraul [mailto:manfreds@colorfullife.com]
>
> >> * max_pfn is set to the end if the last usable block.
> >> * then the ACPI tables follow --> they are behind max_pfn -->
> >> behind the
> >> end of mem_map.
>
> In article
> <linux.kernel.AB4CB1CC6547D21197B00008C7F48FB402C10FFB@txexmta
> 0.amd.com>,
> <nathan.zook@amd.com> wrote:
> >This is changing. The new patches will be reclaim-enabled,
> so those pages
> >will be mapped, and the max_pfn-class variables will reflect
> their presence.
>
> Only if these pages are set as acpi reclaim memory; if they're
> marked as nvs and happen to be above the last ram section, max_pfn
> won't catch them.
>

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