linux-kernel - [PATCH tip/core/rcu 47/86] net,rcu: convert call_rcu(fc_rport_free_rcu) to kfree

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Message-Id: <1304256126-26015-47-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Sun,  1 May 2011 06:21:27 -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 47/86] net,rcu: convert call_rcu(fc_rport_free_rcu) to kfree_rcu()

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

The rcu callback fc_rport_free_rcu() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(fc_rport_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_semantics.c |   12 +-----------
 1 files changed, 1 insertions(+), 11 deletions(-)

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 641a5a2..33e2c35 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -141,18 +141,8 @@ const struct fib_prop fib_props[RTN_MAX + 1] = {
 	},
 };
 
-
 /* Release a nexthop info record */
 
-static void free_fib_info_rcu(struct rcu_head *head)
-{
-	struct fib_info *fi = container_of(head, struct fib_info, rcu);
-
-	if (fi->fib_metrics != (u32 *) dst_default_metrics)
-		kfree(fi->fib_metrics);
-	kfree(fi);
-}
-
 void free_fib_info(struct fib_info *fi)
 {
 	if (fi->fib_dead == 0) {
@@ -166,7 +156,7 @@ void free_fib_info(struct fib_info *fi)
 	} endfor_nexthops(fi);
 	fib_info_cnt--;
 	release_net(fi->fib_net);
-	call_rcu(&fi->rcu, free_fib_info_rcu);
+	kfree_rcu(fi, rcu);
 }
 
 void fib_release_info(struct fib_info *fi)
-- 
1.7.3.2

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