On Sun, Sep 2, 2012 at 11:26 PM, Pekka Enberg <penberg@kernel.org> wrote:
>
> Yup, or move the globals together with the comment to arch/x86/mm/init.c.
>
> That said, max_pfn_high_mapped really ought to be kept together with
> the other "pfn_mapped" globals and the comment should be updated.

max_pfn_high_mapped is only for 64bit, and it is in init_64.c

maybe later could have another patch to move max_pfn_mapped,
max_low_pfn_mapped from
kernel/setup.c to mm/init.c

Please check attached updated patch.

Thanks

Yinghai