diff options
Diffstat (limited to 'arch/loongarch/include/asm/pgtable.h')
| -rw-r--r-- | arch/loongarch/include/asm/pgtable.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index af3acdf3481a..3fbf1f37c58e 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -424,6 +424,9 @@ static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; static inline pte_t pte_mkspecial(pte_t pte) { pte_val(pte) |= _PAGE_SPECIAL; return pte; } #endif /* CONFIG_ARCH_HAS_PTE_SPECIAL */ +static inline int pte_devmap(pte_t pte) { return !!(pte_val(pte) & _PAGE_DEVMAP); } +static inline pte_t pte_mkdevmap(pte_t pte) { pte_val(pte) |= _PAGE_DEVMAP; return pte; } + #define pte_accessible pte_accessible static inline unsigned long pte_accessible(struct mm_struct *mm, pte_t a) { @@ -467,8 +470,8 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf, #define update_mmu_cache(vma, addr, ptep) \ update_mmu_cache_range(NULL, vma, addr, ptep, 1) -#define __HAVE_ARCH_UPDATE_MMU_TLB -#define update_mmu_tlb update_mmu_cache +#define update_mmu_tlb_range(vma, addr, ptep, nr) \ + update_mmu_cache_range(NULL, vma, addr, ptep, nr) static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp) @@ -558,6 +561,17 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd) return pmd; } +static inline int pmd_devmap(pmd_t pmd) +{ + return !!(pmd_val(pmd) & _PAGE_DEVMAP); +} + +static inline pmd_t pmd_mkdevmap(pmd_t pmd) +{ + pmd_val(pmd) |= _PAGE_DEVMAP; + return pmd; +} + static inline struct page *pmd_page(pmd_t pmd) { if (pmd_trans_huge(pmd)) @@ -613,6 +627,11 @@ static inline long pmd_protnone(pmd_t pmd) #define pmd_leaf(pmd) ((pmd_val(pmd) & _PAGE_HUGE) != 0) #define pud_leaf(pud) ((pud_val(pud) & _PAGE_HUGE) != 0) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#define pud_devmap(pud) (0) +#define pgd_devmap(pgd) (0) +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ + /* * We provide our own get_unmapped area to cope with the virtual aliasing * constraints placed on us by the cache architecture. |