130 	node = rb_first(&wnd->start_tree);  in wnd_close()
134 		rb_erase(node, &wnd->start_tree);  in wnd_close()
246 		n = rb_lookup(&wnd->start_tree, bit);  in wnd_add_free_ext()
249 			n = rb_first(&wnd->start_tree);  in wnd_add_free_ext()
257 				rb_erase(&e->start.node, &wnd->start_tree);  in wnd_add_free_ext()
276 			rb_erase(&e->start.node, &wnd->start_tree);  in wnd_add_free_ext()
333 		rb_erase(&e->start.node, &wnd->start_tree);  in wnd_add_free_ext()
351 	rb_insert_start(&wnd->start_tree, e);  in wnd_add_free_ext()
369 	n = rb_lookup(&wnd->start_tree, bit);  in wnd_remove_free_ext()
411 			rb_erase(&e3->start.node, &wnd->start_tree);  in wnd_remove_free_ext()
447 			rb_erase(&e->start.node, &wnd->start_tree);  in wnd_remove_free_ext()
471 		rb_erase(&e->start.node, &wnd->start_tree);  in wnd_remove_free_ext()
483 		rb_insert_start(&wnd->start_tree, e);  in wnd_remove_free_ext()
805 	if (!RB_EMPTY_ROOT(&wnd->start_tree))  in wnd_set_used()
866 	if (RB_EMPTY_ROOT(&wnd->start_tree))  in wnd_is_free()
869 	n = rb_lookup(&wnd->start_tree, bit);  in wnd_is_free()
902 	if (RB_EMPTY_ROOT(&wnd->start_tree))  in wnd_is_used()
906 	n = rb_lookup(&wnd->start_tree, end - 1);  in wnd_is_used()
993 	if (RB_EMPTY_ROOT(&wnd->start_tree)) {  in wnd_find()
1007 	cr = wnd->start_tree.rb_node;  in wnd_find()
1074 			struct rb_root start_tree;  in wnd_find()  local
1076 			memcpy(&start_tree, &wnd->start_tree,  in wnd_find()
1078 			memset(&wnd->start_tree, 0, sizeof(struct rb_root));  in wnd_find()
1088 			memcpy(&wnd->start_tree, &start_tree,  in wnd_find()
1396 	if (!RB_EMPTY_ROOT(&wnd->start_tree) && len)  in wnd_zone_set()