diff options
| -rw-r--r-- | arch/sparc/include/asm/hugetlb.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 8c5eed6d267f..9661e9bc7bb6 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h | |||
| @@ -61,14 +61,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) | |||
| 61 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, | 61 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, |
| 62 | unsigned long addr, pte_t *ptep) | 62 | unsigned long addr, pte_t *ptep) |
| 63 | { | 63 | { |
| 64 | ptep_set_wrprotect(mm, addr, ptep); | 64 | pte_t old_pte = *ptep; |
| 65 | set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); | ||
| 65 | } | 66 | } |
| 66 | 67 | ||
| 67 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, | 68 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, |
| 68 | unsigned long addr, pte_t *ptep, | 69 | unsigned long addr, pte_t *ptep, |
| 69 | pte_t pte, int dirty) | 70 | pte_t pte, int dirty) |
| 70 | { | 71 | { |
| 71 | return ptep_set_access_flags(vma, addr, ptep, pte, dirty); | 72 | int changed = !pte_same(*ptep, pte); |
| 73 | if (changed) { | ||
| 74 | set_huge_pte_at(vma->vm_mm, addr, ptep, pte); | ||
| 75 | flush_tlb_page(vma, addr); | ||
| 76 | } | ||
| 77 | return changed; | ||
| 72 | } | 78 | } |
| 73 | 79 | ||
| 74 | static inline pte_t huge_ptep_get(pte_t *ptep) | 80 | static inline pte_t huge_ptep_get(pte_t *ptep) |
