linux-kernel - [PATCH tip/core/rcu 44/86] net,rcu: convert call_rcu(dn_dev_free_ifa_rcu) to kfree

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Message-Id: <1304256126-26015-44-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Sun,  1 May 2011 06:21:24 -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 44/86] net,rcu: convert call_rcu(dn_dev_free_ifa_rcu) to kfree_rcu()

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

The rcu callback dn_dev_free_ifa_rcu() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(dn_dev_free_ifa_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/decnet/dn_dev.c |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 0dcaa90..4c27615 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -332,14 +332,9 @@ static struct dn_ifaddr *dn_dev_alloc_ifa(void)
 	return ifa;
 }
 
-static void dn_dev_free_ifa_rcu(struct rcu_head *head)
-{
-	kfree(container_of(head, struct dn_ifaddr, rcu));
-}
-
 static void dn_dev_free_ifa(struct dn_ifaddr *ifa)
 {
-	call_rcu(&ifa->rcu, dn_dev_free_ifa_rcu);
+	kfree_rcu(ifa, rcu);
 }
 
 static void dn_dev_del_ifa(struct dn_dev *dn_db, struct dn_ifaddr __rcu **ifap, int destroy)
-- 
1.7.3.2

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