-struct vm_area_struct *vma_prio_tree_next(
- struct vm_area_struct *, struct prio_tree_root *,
- struct prio_tree_iter *, pgoff_t begin, pgoff_t end);
+struct vm_area_struct *vma_prio_tree_next(struct vm_area_struct *vma,
+ struct prio_tree_iter *iter);
+
+#define vma_prio_tree_foreach(vma, iter, root, begin, end) \
+ for (prio_tree_iter_init(iter, root, begin, end), vma = NULL; \
+ (vma = vma_prio_tree_next(vma, iter)); )
+
+static inline void vma_nonlinear_insert(struct vm_area_struct *vma,
+ struct list_head *list)
+{
+ vma->shared.vm_set.parent = NULL;
+ list_add_tail(&vma->shared.vm_set.list, list);
+}