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 <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Steve Capper <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Suzuki K Poulose <[email protected]> --- 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
