Re: [PATCH] [6/8] Account overlapped mappings in end_pfn_map

Arjan van de Ven
2008-02-11T15:13:37Z

On Mon, 11 Feb 2008 10:34:34 +0100 (CET)
Andi Kleen <ak@suse.de> wrote:

>
> When end_pfn is not aligned to 2MB (or 1GB) then the kernel might
> map more memory than end_pfn. Account this in end_pfn_mapped.

we need to fix this btw; mapping memory that doesn't really exist
is a rather nasty trap with cpu prefetching and the like.

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