Commit 0dbd3b18 authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Christoffer Dall

arm64: Introduce pmd_thp_or_huge

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: default avatarMark 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>
Acked-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Acked-by: default avatarWill Deacon <will.deacon@arm.com>
Acked-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
parent 120f0779
...@@ -290,6 +290,8 @@ static inline pgprot_t mk_sect_prot(pgprot_t prot) ...@@ -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_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK)) #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 __HAVE_ARCH_PMD_WRITE
#define pmd_write(pmd) pte_write(pmd_pte(pmd)) #define pmd_write(pmd) pte_write(pmd_pte(pmd))
......
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