Mfp: r296345

No need to keep type stability on raw sockets zone.
We've also been running with a KASSERT since r222488 to make sure the
ipi_count is 0 on destroy.

PR:		164763
Reviewed by:	gnn
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D5735

sys/netinet/raw_ip.c

@@ -209,8 +209,7 @@ rip_init(void)
 {
 
 	in_pcbinfo_init(&V_ripcbinfo, "rip", &V_ripcb, INP_PCBHASH_RAW_SIZE,
-	    1, "ripcb", rip_inpcb_init, NULL, UMA_ZONE_NOFREE,
-	    IPI_HASHFIELDS_NONE);
+	    1, "ripcb", rip_inpcb_init, NULL, 0, IPI_HASHFIELDS_NONE);
 	EVENTHANDLER_REGISTER(maxsockets_change, rip_zone_change, NULL,
 	    EVENTHANDLER_PRI_ANY);
 }