ax25_register_pid  344 include/net/ax25.h extern void ax25_register_pid(struct ax25_protocol *ap);
ax25_register_pid 1458 net/netrom/af_netrom.c 	ax25_register_pid(&nr_pid);
ax25_register_pid 1600 net/rose/af_rose.c 	ax25_register_pid(&rose_pid);