udp_poll          143 include/net/udp.h extern unsigned int udp_poll(struct file *file, struct socket *sock,
udp_poll          876 net/ipv4/af_inet.c 	.poll		   = udp_poll,
udp_poll          503 net/ipv6/af_inet6.c 	.poll		   = udp_poll,			/* ok		*/