126 	struct pfect_lru_node *node = NULL;  in pfect_lru_lookup_or_insert()  local
130 	if (!bpf_map_lookup_elem(lru->map_fd, &key, &node)) {  in pfect_lru_lookup_or_insert()
131 		if (node) {  in pfect_lru_lookup_or_insert()
132 			list_move(&node->list, &lru->list);  in pfect_lru_lookup_or_insert()
139 		node =  &lru->free_nodes[lru->cur_size++];  in pfect_lru_lookup_or_insert()
140 		INIT_LIST_HEAD(&node->list);  in pfect_lru_lookup_or_insert()
144 		node = list_last_entry(&lru->list,  in pfect_lru_lookup_or_insert()
147 		bpf_map_update_elem(lru->map_fd, &node->key, &null_node, BPF_EXIST);  in pfect_lru_lookup_or_insert()
150 	node->key = key;  in pfect_lru_lookup_or_insert()
151 	list_move(&node->list, &lru->list);  in pfect_lru_lookup_or_insert()
155 		assert(!bpf_map_update_elem(lru->map_fd, &key, &node, BPF_EXIST));  in pfect_lru_lookup_or_insert()
158 		assert(!bpf_map_update_elem(lru->map_fd, &key, &node, BPF_NOEXIST));  in pfect_lru_lookup_or_insert()