interval_tree_iter_first
it = interval_tree_iter_first(&amn->objects, start, end);
it = interval_tree_iter_first(&amn->objects, start, end);
while ((it = interval_tree_iter_first(&amn->objects, addr, end))) {
it = interval_tree_iter_first(&mn->objects, start, end);
interval_tree_iter_first(struct rb_root *root,
it = interval_tree_iter_first(&rmn->objects, start, end);
while ((it = interval_tree_iter_first(&rmn->objects, addr, end))) {
it = interval_tree_iter_first(&vm->va, soffset, eoffset);