__sock_wfree
void __sock_wfree(struct sk_buff *skb);
(IS_ENABLED(CONFIG_INET) && skb->destructor == __sock_wfree) ||
tcp_wfree, __sock_wfree, sock_wfree,
EXPORT_SYMBOL_GPL(__sock_wfree);
skb->destructor = skb_is_tcp_pure_ack(skb) ? __sock_wfree : tcp_wfree;