* Yinghai Lu <[EMAIL PROTECTED]> wrote:
> [PATCH] x86_32: fix regression caused by trim ram according to mtrr on system
> with 4G more RAM
>
> Pravel report:
> "
> The commit
>
> 093af8d7f0ba3c6be1485973508584ef081e9f93
> x86_32: trim memory by updating e820
>
> broke my e1000 card: on loading driver says that
>
> e1000: probe of 0000:04:03.0 failed with error -5
>
> and the interface doesn't appear.
> "
>
> on 32 bit kernel, base will overflow when try to do PAGE_SHIFT. and
> highest_addr will always less 4G.
>
> so use pfn instead of address to avoid overflow when more than 4g
> ram installed on 32bit kernel
> Many thanks for Pavel Emelyanov to report and test it.
thanks guys, applied.
Ingo
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