From patchwork Sun May 1 13:21:23 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 1259 Return-Path: Delivered-To: unknown Received: from imap.gmail.com (74.125.159.109) by localhost6.localdomain6 with IMAP4-SSL; 08 Jun 2011 14:50:36 -0000 Delivered-To: patches@linaro.org Received: by 10.224.2.73 with SMTP id 9cs230864qai; Sun, 1 May 2011 06:22:23 -0700 (PDT) Received: by 10.236.77.132 with SMTP id d4mr8575476yhe.398.1304256143484; Sun, 01 May 2011 06:22:23 -0700 (PDT) Received: from e2.ny.us.ibm.com (e2.ny.us.ibm.com [32.97.182.142]) by mx.google.com with ESMTPS id d34si7302594ano.91.2011.05.01.06.22.23 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 01 May 2011 06:22:23 -0700 (PDT) Received-SPF: pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.142 as permitted sender) client-ip=32.97.182.142; Authentication-Results: mx.google.com; spf=pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.142 as permitted sender) smtp.mail=paulmck@linux.vnet.ibm.com Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e2.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p41D2ofH005290 for ; Sun, 1 May 2011 09:02:50 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p41DMMQ9073474 for ; Sun, 1 May 2011 09:22:22 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p41DMHk0019595 for ; Sun, 1 May 2011 09:22:22 -0400 Received: from paulmck-ThinkPad-W500 (sig-9-65-224-93.mts.ibm.com [9.65.224.93]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p41DMDfK019191; Sun, 1 May 2011 09:22:16 -0400 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id CDC8013F81E; Sun, 1 May 2011 06:22:08 -0700 (PDT) From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, patches@linaro.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 43/86] net, rcu: convert call_rcu(ha_rcu_free) to kfree_rcu() Date: Sun, 1 May 2011 06:21:23 -0700 Message-Id: <1304256126-26015-43-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110501132142.GA25494@linux.vnet.ibm.com> References: <20110501132142.GA25494@linux.vnet.ibm.com> From: Lai Jiangshan The rcu callback ha_rcu_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(ha_rcu_free). Signed-off-by: Lai Jiangshan Acked-by: David S. Miller Signed-off-by: Paul E. McKenney --- net/core/dev_addr_lists.c | 12 ++---------- 1 files changed, 2 insertions(+), 10 deletions(-) diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index 7b39f3e..e2e6693 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -68,14 +68,6 @@ static int __hw_addr_add(struct netdev_hw_addr_list *list, unsigned char *addr, return __hw_addr_add_ex(list, addr, addr_len, addr_type, false); } -static void ha_rcu_free(struct rcu_head *head) -{ - struct netdev_hw_addr *ha; - - ha = container_of(head, struct netdev_hw_addr, rcu_head); - kfree(ha); -} - static int __hw_addr_del_ex(struct netdev_hw_addr_list *list, unsigned char *addr, int addr_len, unsigned char addr_type, bool global) @@ -94,7 +86,7 @@ static int __hw_addr_del_ex(struct netdev_hw_addr_list *list, if (--ha->refcount) return 0; list_del_rcu(&ha->list); - call_rcu(&ha->rcu_head, ha_rcu_free); + kfree_rcu(ha, rcu_head); list->count--; return 0; } @@ -197,7 +189,7 @@ void __hw_addr_flush(struct netdev_hw_addr_list *list) list_for_each_entry_safe(ha, tmp, &list->list, list) { list_del_rcu(&ha->list); - call_rcu(&ha->rcu_head, ha_rcu_free); + kfree_rcu(ha, rcu_head); } list->count = 0; }