diff options
Diffstat (limited to 'mm/mmap.c')
-rw-r--r-- | mm/mmap.c | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -1191,21 +1191,21 @@ munmap_back: | |||
1191 | goto unmap_and_free_vma; | 1191 | goto unmap_and_free_vma; |
1192 | if (vm_flags & VM_EXECUTABLE) | 1192 | if (vm_flags & VM_EXECUTABLE) |
1193 | added_exe_file_vma(mm); | 1193 | added_exe_file_vma(mm); |
1194 | |||
1195 | /* Can addr have changed?? | ||
1196 | * | ||
1197 | * Answer: Yes, several device drivers can do it in their | ||
1198 | * f_op->mmap method. -DaveM | ||
1199 | */ | ||
1200 | addr = vma->vm_start; | ||
1201 | pgoff = vma->vm_pgoff; | ||
1202 | vm_flags = vma->vm_flags; | ||
1194 | } else if (vm_flags & VM_SHARED) { | 1203 | } else if (vm_flags & VM_SHARED) { |
1195 | error = shmem_zero_setup(vma); | 1204 | error = shmem_zero_setup(vma); |
1196 | if (error) | 1205 | if (error) |
1197 | goto free_vma; | 1206 | goto free_vma; |
1198 | } | 1207 | } |
1199 | 1208 | ||
1200 | /* Can addr have changed?? | ||
1201 | * | ||
1202 | * Answer: Yes, several device drivers can do it in their | ||
1203 | * f_op->mmap method. -DaveM | ||
1204 | */ | ||
1205 | addr = vma->vm_start; | ||
1206 | pgoff = vma->vm_pgoff; | ||
1207 | vm_flags = vma->vm_flags; | ||
1208 | |||
1209 | if (vma_wants_writenotify(vma)) | 1209 | if (vma_wants_writenotify(vma)) |
1210 | vma->vm_page_prot = vm_get_page_prot(vm_flags & ~VM_SHARED); | 1210 | vma->vm_page_prot = vm_get_page_prot(vm_flags & ~VM_SHARED); |
1211 | 1211 | ||