diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/include/asm/pgtable.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 2aa8057c7ef8..4bbb6d38365f 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -538,6 +538,36 @@ static inline int mm_alloc_pgste(struct mm_struct *mm) return 0; } +static inline pte_t clear_pte_bit(pte_t pte, pgprot_t prot) +{ + return __pte(pte_val(pte) & ~pgprot_val(prot)); +} + +static inline pte_t set_pte_bit(pte_t pte, pgprot_t prot) +{ + return __pte(pte_val(pte) | pgprot_val(prot)); +} + +static inline pmd_t clear_pmd_bit(pmd_t pmd, pgprot_t prot) +{ + return __pmd(pmd_val(pmd) & ~pgprot_val(prot)); +} + +static inline pmd_t set_pmd_bit(pmd_t pmd, pgprot_t prot) +{ + return __pmd(pmd_val(pmd) | pgprot_val(prot)); +} + +static inline pud_t clear_pud_bit(pud_t pud, pgprot_t prot) +{ + return __pud(pud_val(pud) & ~pgprot_val(prot)); +} + +static inline pud_t set_pud_bit(pud_t pud, pgprot_t prot) +{ + return __pud(pud_val(pud) | pgprot_val(prot)); +} + /* * In the case that a guest uses storage keys * faults should no longer be backed by zero pages |