void __init ipfrag_init(void)
{
	ip4_frags_ctl_register();
	register_pernet_subsys(&ip4_frags_ops);
	ip4_frags.hashfn = ip4_hashfn;
	ip4_frags.constructor = ip4_frag_init;
	ip4_frags.destructor = ip4_frag_free;
	ip4_frags.skb_free = NULL;
	ip4_frags.qsize = sizeof(struct ipq);
	ip4_frags.match = ip4_frag_match;
	ip4_frags.frag_expire = ip_expire;
	ip4_frags.secret_interval = 10 * 60 * HZ;
	inet_frags_init(&ip4_frags);
}

Unknown