XPC_DEACTIVATE_PRINTMSG_INTERVAL
wait_to_print = XPC_DEACTIVATE_PRINTMSG_INTERVAL * 1000 * 5;
wait_to_print = XPC_DEACTIVATE_PRINTMSG_INTERVAL *
printmsg_time = jiffies + (XPC_DEACTIVATE_PRINTMSG_INTERVAL * HZ);
(XPC_DEACTIVATE_PRINTMSG_INTERVAL * HZ);