udp_poll          295 include/net/udp.h __poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait);
udp_poll         1028 net/ipv4/af_inet.c 	.poll		   = udp_poll,
udp_poll         2759 net/ipv4/udp.c EXPORT_SYMBOL(udp_poll);
udp_poll          643 net/ipv6/af_inet6.c 	.poll		   = udp_poll,			/* ok		*/