linux-kernel - [PATCH 06/36] net,rcu: convert call_rcu(__gen_kill_estimator) to kfree

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Date:	Fri, 18 Mar 2011 11:43:26 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>, Jens Axboe <axboe@...nel.dk>,
	Robert Love <robert.w.love@...el.com>,
	"James E.J. Bottomley" <James.Bottomley@...e.de>,
	Neil Horman <nhorman@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"Pekka Savola (ipv6)" <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Tejun Heo <tj@...nel.org>, Jarek Poplawski <jarkao2@...il.com>,
	linux-kernel@...r.kernel.org, devel@...n-fcoe.org,
	linux-scsi@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 06/36] net,rcu: convert call_rcu(__gen_kill_estimator) to
 kfree_rcu()



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

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
 net/core/gen_estimator.c |    9 +--------
 1 files changed, 1 insertions(+), 8 deletions(-)

diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 7c23733..43b03dd 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -249,13 +249,6 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
 }
 EXPORT_SYMBOL(gen_new_estimator);
 
-static void __gen_kill_estimator(struct rcu_head *head)
-{
-	struct gen_estimator *e = container_of(head,
-					struct gen_estimator, e_rcu);
-	kfree(e);
-}
-
 /**
  * gen_kill_estimator - remove a rate estimator
  * @bstats: basic statistics
@@ -279,7 +272,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
 		write_unlock(&est_lock);
 
 		list_del_rcu(&e->list);
-		call_rcu(&e->e_rcu, __gen_kill_estimator);
+		kfree_rcu(e, e_rcu);
 	}
 	spin_unlock_bh(&est_tree_lock);
 }
-- 
1.7.4
--
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