Re: [PATCH] x86: adjust generic_get_mtrr() for 64-bit

[Yinghai Lu]

On Fri, Jul 6, 2012 at 7:14 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> Needing to deal with potentially large memory configurations, the
> variables here should be "unsigned long" instead of "unsigned int".
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>
> ---
>  arch/x86/kernel/cpu/mtrr/generic.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> --- 3.5-rc5/arch/x86/kernel/cpu/mtrr/generic.c
> +++ 3.5-rc5-x86-mtrr-generic-types/arch/x86/kernel/cpu/mtrr/generic.c
> @@ -514,8 +514,8 @@ generic_get_free_region(unsigned long ba
>  static void generic_get_mtrr(unsigned int reg, unsigned long *base,
>                              unsigned long *size, mtrr_type *type)
>  {
> -       unsigned int mask_lo, mask_hi, base_lo, base_hi;
> -       unsigned int tmp, hi;
> +       unsigned long mask_lo, mask_hi, base_lo, base_hi, tmp;
> +       unsigned int hi;

_lo, _hi means we want it as 32bit.

or we just change them to u32 to make it more clear ?

Thanks

Yinghai
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