linux-kernel - [PATCH tip/core/rcu 40/86] net,rcu: convert call_rcu(inet6_ifa_finish_destroy_rcu) to kfree

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Message-Id: <1304256126-26015-40-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Sun,  1 May 2011 06:21:20 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com,
	patches@...aro.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 40/86] net,rcu: convert call_rcu(inet6_ifa_finish_destroy_rcu) to kfree_rcu()

From: Lai Jiangshan <laijs@...fujitsu.com>

The rcu callback inet6_ifa_finish_destroy_rcu() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(inet6_ifa_finish_destroy_rcu).

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
Acked-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 net/ipv6/addrconf.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 85787e3..b3e50ee 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -529,12 +529,6 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
 }
 #endif
 
-static void inet6_ifa_finish_destroy_rcu(struct rcu_head *head)
-{
-	struct inet6_ifaddr *ifp = container_of(head, struct inet6_ifaddr, rcu);
-	kfree(ifp);
-}
-
 /* Nobody refers to this ifaddr, destroy it */
 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
 {
@@ -555,7 +549,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
 	}
 	dst_release(&ifp->rt->dst);
 
-	call_rcu(&ifp->rcu, inet6_ifa_finish_destroy_rcu);
+	kfree_rcu(ifp, rcu);
 }
 
 static void
-- 
1.7.3.2

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