Messages in this thread | | | Date | Fri, 8 Apr 2016 14:43:53 +0200 | From | Christoffer Dall <> | Subject | Re: [PATCH 04/17] arm64: Introduce pmd_thp_or_huge |
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On Mon, Apr 04, 2016 at 05:26:04PM +0100, Suzuki K Poulose wrote: > Add a helper to determine if a given pmd represents a huge page > either by hugetlb or thp, as we have for arm. This will be used > by KVM MMU code. > > Suggested-by: Mark Rutland <mark.rutland@arm.com> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Steve Capper <steve.capper@linaro.org> > Cc: Will Deacon <will.deacon@arm.com> > Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
> --- > arch/arm64/include/asm/pgtable.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h > index 989fef1..dda4aa9 100644 > --- a/arch/arm64/include/asm/pgtable.h > +++ b/arch/arm64/include/asm/pgtable.h > @@ -290,6 +290,8 @@ static inline pgprot_t mk_sect_prot(pgprot_t prot) > #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd))) > #define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK)) > > +#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) > + > #define __HAVE_ARCH_PMD_WRITE > #define pmd_write(pmd) pte_write(pmd_pte(pmd)) > > -- > 1.7.9.5 >
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