On Fri, Mar 26, 2010 at 06:00:41PM +0100, Andrea Arcangeli wrote:
> diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
> --- a/arch/x86/include/asm/pgtable-3level.h
> +++ b/arch/x86/include/asm/pgtable-3level.h
> @@ -104,6 +104,29 @@ static inline pte_t native_ptep_get_and_
> #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp)
> #endif
>
> +#ifdef CONFIG_SMP
> +union split_pmd {
> + struct {
> + u32 pmd_low;
> + u32 pmd_high;
> + };
> + pmd_t pmd;
> +};
> +static inline pmd_t native_pmdp_get_and_clear(pmd_t *pmdp)
> +{
> + union split_pmd res, *orig = (union pmd_parts *)pmdp;
Oh, shoot, the cast needs to be renamed to (union split_pmd *) as well.
Hannes
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