tag	line	file	source code
sock_rfree	293	net/tcp/packet.c	sock_rfree,
sock_rfree	345	net/tcp/raw.c	sock_rfree,
sock_rfree	173	net/tcp/sock.h	void sock_rfree(volatile struct sock *sk, void *mem, unsigned long size);
sock_rfree	2498	net/tcp/tcp.c	sock_rfree,
sock_rfree	612	net/tcp/udp.c	sock_rfree,