From da37e368763f708d2ae5a81e61ec59372b831cf5 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 9 May 2011 03:35:55 +0000
Subject: garp: remove one synchronize_rcu() call

Speedup vlan dismantling in CONFIG_VLAN_8021Q_GVRP=y cases,
by using a call_rcu() to free the memory instead of waiting with
expensive synchronize_rcu() [ while RTNL is held ]

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ben Greear <greearb@candelatech.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/garp.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/net')

diff --git a/include/net/garp.h b/include/net/garp.h
index f4c295984c4..8cabbf08716 100644
--- a/include/net/garp.h
+++ b/include/net/garp.h
@@ -108,6 +108,7 @@ struct garp_applicant {
 
 struct garp_port {
 	struct garp_applicant __rcu	*applicants[GARP_APPLICATION_MAX + 1];
+	struct rcu_head			rcu;
 };
 
 extern int	garp_register_application(struct garp_application *app);
-- 
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