529 	struct rb_node **link;  in find_va_links()  local
532 		link = &root->rb_node;  in find_va_links()
533 		if (unlikely(!*link)) {  in find_va_links()
535 			return link;  in find_va_links()
538 		link = &from;  in find_va_links()
547 		tmp_va = rb_entry(*link, struct vmap_area, rb_node);  in find_va_links()
556 			link = &(*link)->rb_left;  in find_va_links()
559 			link = &(*link)->rb_right;  in find_va_links()
566 	} while (*link);  in find_va_links()
569 	return link;  in find_va_links()
573 get_va_next_sibling(struct rb_node *parent, struct rb_node **link)  in get_va_next_sibling()  argument
587 	return (&parent->rb_right == link ? list->next : list);  in get_va_next_sibling()
592 	struct rb_node *parent, struct rb_node **link, struct list_head *head)  in link_va()  argument
600 		if (&parent->rb_right != link)  in link_va()
605 	rb_link_node(&va->rb_node, parent, link);  in link_va()
707 	struct rb_node **link;  in insert_vmap_area()  local
710 	link = find_va_links(va, root, NULL, &parent);  in insert_vmap_area()
711 	if (link)  in insert_vmap_area()
712 		link_va(va, root, parent, link, head);  in insert_vmap_area()
720 	struct rb_node **link;  in insert_vmap_area_augment()  local
724 		link = find_va_links(va, NULL, from, &parent);  in insert_vmap_area_augment()
726 		link = find_va_links(va, root, NULL, &parent);  in insert_vmap_area_augment()
728 	if (link) {  in insert_vmap_area_augment()
729 		link_va(va, root, parent, link, head);  in insert_vmap_area_augment()
751 	struct rb_node **link;  in merge_or_add_vmap_area()  local
759 	link = find_va_links(va, root, NULL, &parent);  in merge_or_add_vmap_area()
760 	if (!link)  in merge_or_add_vmap_area()
766 	next = get_va_next_sibling(parent, link);  in merge_or_add_vmap_area()
824 		link_va(va, root, parent, link, head);  in merge_or_add_vmap_area()