diff options
Diffstat (limited to 'arch/nios2/include/asm/pgtable.h')
| -rw-r--r-- | arch/nios2/include/asm/pgtable.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h index eab87c6beacb..e98578e27e26 100644 --- a/arch/nios2/include/asm/pgtable.h +++ b/arch/nios2/include/asm/pgtable.h @@ -221,12 +221,6 @@ static inline void pte_clear(struct mm_struct *mm, * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. */ -#define mk_pte(page, prot) (pfn_pte(page_to_pfn(page), prot)) - -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - */ #define pmd_phys(pmd) virt_to_phys((void *)pmd_val(pmd)) #define pmd_pfn(pmd) (pmd_phys(pmd) >> PAGE_SHIFT) #define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT)) @@ -291,4 +285,20 @@ void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma, #define update_mmu_cache(vma, addr, ptep) \ update_mmu_cache_range(NULL, vma, addr, ptep, 1) +static inline int pte_same(pte_t pte_a, pte_t pte_b); + +#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS +static inline int ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, + pte_t entry, int dirty) +{ + if (!pte_same(*ptep, entry)) + set_ptes(vma->vm_mm, address, ptep, entry, 1); + /* + * update_mmu_cache will unconditionally execute, handling both + * the case that the PTE changed and the spurious fault case. + */ + return true; +} + #endif /* _ASM_NIOS2_PGTABLE_H */ |