gru_get_next_message
m = gru_get_next_message(&mqd);
EXPORT_SYMBOL_GPL(gru_get_next_message);
extern void *gru_get_next_message(struct gru_message_queue_desc *mqd);
while ((msg = gru_get_next_message(xpc_notify_mq_uv->gru_mq_desc)) !=
msg_hdr = gru_get_next_message(xpc_activate_mq_uv->gru_mq_desc);