tag	line	file	source code
__skb_insert	331	include/linux/skbuff.h	__skb_insert(newsk, old->prev, old, old->list);
__skb_insert	345	include/linux/skbuff.h	__skb_insert(newsk, old, old->next, old->list);
__skb_insert	1244	net/ipv4/tcp_input.c	__skb_insert(skb, prev, next, list);