Re: [PATCH -v2 09/13] x86: Fixup code testing if a pfn is direct mapped

[Pekka Enberg]

On Sun, Sep 2, 2012 at 10:46 AM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> From: Jacob Shin <jacob.shin@xxxxxxx>
>
> Update code that previously assumed pfns [ 0 - max_low_pfn_mapped ) and
> [ 4GB - max_pfn_mapped ) were always direct mapped, to now look up
> pfn_mapped ranges instead.

What problem does this fix? How did you find about it?

> -v2: change applying sequence to keep git bisecting working.
>      so add dummy pfn_range_is_mapped(). - Yinghai Lu
>
> Signed-off-by: Jacob Shin <jacob.shin@xxxxxxx>

Yinghai's sign-off is missing.
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