linux-kernel - [PATCH tip/core/rcu 48/86] net,rcu: convert call_rcu(__leaf_info_free_rcu) to kfree

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Message-Id: <1304256126-26015-48-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Sun,  1 May 2011 06:21:28 -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 48/86] net,rcu: convert call_rcu(__leaf_info_free_rcu) to kfree_rcu()

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

The rcu callback __leaf_info_free_rcu() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(__leaf_info_free_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/ipv4/fib_trie.c |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index e9013d6..fd54930 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -350,14 +350,9 @@ static inline void free_leaf(struct leaf *l)
 	call_rcu_bh(&l->rcu, __leaf_free_rcu);
 }
 
-static void __leaf_info_free_rcu(struct rcu_head *head)
-{
-	kfree(container_of(head, struct leaf_info, rcu));
-}
-
 static inline void free_leaf_info(struct leaf_info *leaf)
 {
-	call_rcu(&leaf->rcu, __leaf_info_free_rcu);
+	kfree_rcu(leaf, rcu);
 }
 
 static struct tnode *tnode_alloc(size_t size)
-- 
1.7.3.2

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