diff options
| author | Punit Agrawal | 2018-12-11 18:10:40 +0100 |
|---|---|---|
| committer | Marc Zyngier | 2018-12-18 16:14:48 +0100 |
| commit | 35a63966194dd994f44150f07398c62f8dca011e (patch) | |
| tree | a3ef4b9c273d1119db3b5862f1fab924d503df8a /arch/arm64/include/asm/pgtable.h | |
| parent | KVM: arm64: Support handling access faults for PUD hugepages (diff) | |
| download | kernel-qcow2-linux-35a63966194dd994f44150f07398c62f8dca011e.tar.gz kernel-qcow2-linux-35a63966194dd994f44150f07398c62f8dca011e.tar.xz kernel-qcow2-linux-35a63966194dd994f44150f07398c62f8dca011e.zip | |
KVM: arm64: Update age handlers to support PUD hugepages
In preparation for creating larger hugepages at Stage 2, add support
to the age handling notifiers for PUD hugepages when encountered.
Provide trivial helpers for arm32 to allow sharing code.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replaced BUG() => WARN_ON(1) for arm32 PUD helpers ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/pgtable.h')
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index f51e2271e6a3..bb0f3f17a7a9 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -386,6 +386,7 @@ static inline int pmd_protnone(pmd_t pmd) #define pfn_pmd(pfn,prot) __pmd(__phys_to_pmd_val((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)) #define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot) +#define pud_young(pud) pte_young(pud_pte(pud)) #define pud_mkyoung(pud) pte_pud(pte_mkyoung(pud_pte(pud))) #define pud_write(pud) pte_write(pud_pte(pud)) |