diff options
Diffstat (limited to 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 1fba072b3dac..f6d0e3513948 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -184,6 +184,13 @@ static inline int pmd_young(pmd_t pmd) } #endif +#ifndef pmd_dirty +static inline int pmd_dirty(pmd_t pmd) +{ + return 0; +} +#endif + /* * A facility to provide lazy MMU batching. This allows PTE updates and * page invalidations to be delayed until a call to leave lazy MMU mode @@ -206,6 +213,14 @@ static inline int pmd_young(pmd_t pmd) #endif #ifndef set_ptes + +#ifndef pte_next_pfn +static inline pte_t pte_next_pfn(pte_t pte) +{ + return __pte(pte_val(pte) + (1UL << PFN_PTE_SHIFT)); +} +#endif + /** * set_ptes - Map consecutive pages to a contiguous range of addresses. * @mm: Address space to map the pages into. @@ -231,7 +246,7 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr, if (--nr == 0) break; ptep++; - pte = __pte(pte_val(pte) + (1UL << PFN_PTE_SHIFT)); + pte = pte_next_pfn(pte); } arch_leave_lazy_mmu_mode(); } @@ -284,6 +299,27 @@ static inline pmd_t pmdp_get(pmd_t *pmdp) } #endif +#ifndef pudp_get +static inline pud_t pudp_get(pud_t *pudp) +{ + return READ_ONCE(*pudp); +} +#endif + +#ifndef p4dp_get +static inline p4d_t p4dp_get(p4d_t *p4dp) +{ + return READ_ONCE(*p4dp); +} +#endif + +#ifndef pgdp_get +static inline pgd_t pgdp_get(pgd_t *pgdp) +{ + return READ_ONCE(*pgdp); +} +#endif + #ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, @@ -367,7 +403,7 @@ static inline bool arch_has_hw_nonleaf_pmd_young(void) */ static inline bool arch_has_hw_pte_young(void) { - return false; + return IS_ENABLED(CONFIG_ARCH_HAS_HW_PTE_YOUNG); } #endif |