diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/memory.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/mm/memory.c b/mm/memory.c index 1bbe9a22429c..bdf19366b705 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -2083,19 +2083,6 @@ static inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd, | |||
2083 | return same; | 2083 | return same; |
2084 | } | 2084 | } |
2085 | 2085 | ||
2086 | /* | ||
2087 | * Do pte_mkwrite, but only if the vma says VM_WRITE. We do this when | ||
2088 | * servicing faults for write access. In the normal case, do always want | ||
2089 | * pte_mkwrite. But get_user_pages can cause write faults for mappings | ||
2090 | * that do not have writing enabled, when used by access_process_vm. | ||
2091 | */ | ||
2092 | static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma) | ||
2093 | { | ||
2094 | if (likely(vma->vm_flags & VM_WRITE)) | ||
2095 | pte = pte_mkwrite(pte); | ||
2096 | return pte; | ||
2097 | } | ||
2098 | |||
2099 | static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma) | 2086 | static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma) |
2100 | { | 2087 | { |
2101 | /* | 2088 | /* |