diff --git a/mm/mmap.c b/mm/mmap.c
index 7799a3f2e48385b8257b12d8ce06f694095bc138..cab12a7592003a926a22192d813fa7a0b09250dc 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -143,7 +143,7 @@ static void __remove_shared_vm_struct(struct vm_area_struct *vma,
 		struct file *file, struct address_space *mapping)
 {
 	if (vma->vm_flags & VM_DENYWRITE)
-		atomic_inc(&file_inode(file)->i_writecount);
+		allow_write_access(file);
 	if (vma->vm_flags & VM_SHARED)
 		mapping_unmap_writable(mapping);