vc_waitactive_msg_t
wait_msg = kmem_zalloc(sizeof (vc_waitactive_msg_t),
list_create(&vc_waitactive_list, sizeof (vc_waitactive_msg_t),
offsetof(vc_waitactive_msg_t, wa_list_node));
vc_waitactive_msg_t *index, *tmp;
kmem_free(tmp, sizeof (vc_waitactive_msg_t));
vc_waitactive_msg_t *wait_msg;