diff options
| -rw-r--r-- | mm/mmap.c | 3 | ||||
| -rw-r--r-- | mm/mprotect.c | 2 |
2 files changed, 2 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 7a30c4988231..facc1a75bd4f 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1171,8 +1171,7 @@ munmap_back: vm_flags = vma->vm_flags; if (vma_wants_writenotify(vma)) - vma->vm_page_prot = - protection_map[vm_flags & (VM_READ|VM_WRITE|VM_EXEC)]; + vma->vm_page_prot = vm_get_page_prot(vm_flags & ~VM_SHARED); if (!file || !vma_merge(mm, prev, addr, vma->vm_end, vma->vm_flags, NULL, file, pgoff, vma_policy(vma))) { diff --git a/mm/mprotect.c b/mm/mprotect.c index 55227845abbe..4de546899dc1 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -194,7 +194,7 @@ success: vma->vm_flags = newflags; vma->vm_page_prot = vm_get_page_prot(newflags); if (vma_wants_writenotify(vma)) { - vma->vm_page_prot = vm_get_page_prot(newflags); + vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED); dirty_accountable = 1; } |