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.rutl...@arm.com> > Cc: Catalin Marinas <catalin.mari...@arm.com> > Cc: Steve Capper <steve.cap...@linaro.org> > Cc: Will Deacon <will.dea...@arm.com> > Signed-off-by: Suzuki K Poulose <suzuki.poul...@arm.com>
Acked-by: Christoffer Dall <christoffer.d...@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 >
