From e2ed8f35143f38fc0b6061309c14fc79898544b0 Mon Sep 17 00:00:00 2001
From: Alexander Motin <mav@FreeBSD.org>
Date: Sat, 26 Jul 2008 23:07:34 +0000
Subject: [PATCH] Increase UDBHASHSIZE from 16 to 128 items. Previous value was
 chosen 10 years ago and not very effective now. This change gives several
 percents speedup on 1000 L2TP mpd links.

---
 sys/netinet/udp_usrreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
index 29015d3a5f7..715599e8b6a 100644
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -132,7 +132,7 @@ struct inpcbhead	udb;		/* from udp_var.h */
 struct inpcbinfo	udbinfo;
 
 #ifndef UDBHASHSIZE
-#define	UDBHASHSIZE	16
+#define	UDBHASHSIZE	128
 #endif
 
 struct udpstat	udpstat;	/* from udp_var.h */