From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760111Ab1EAN32 (ORCPT ); Sun, 1 May 2011 09:29:28 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:38977 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757274Ab1EANWh (ORCPT ); Sun, 1 May 2011 09:22:37 -0400 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 59/86] net,rcu: convert call_rcu(xps_dev_maps_release) to kfree_rcu() Date: Sun, 1 May 2011 06:21:39 -0700 Message-Id: <1304256126-26015-59-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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lai Jiangshan The rcu callback xps_dev_maps_release() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(xps_dev_maps_release). Signed-off-by: Lai Jiangshan Acked-by: David S. Miller Signed-off-by: Paul E. McKenney --- net/core/net-sysfs.c | 12 ++---------- 1 files changed, 2 insertions(+), 10 deletions(-) diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 48ffc21..80b2aad 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -891,14 +891,6 @@ static ssize_t show_xps_map(struct netdev_queue *queue, return len; } -static void xps_dev_maps_release(struct rcu_head *rcu) -{ - struct xps_dev_maps *dev_maps = - container_of(rcu, struct xps_dev_maps, rcu); - - kfree(dev_maps); -} - static DEFINE_MUTEX(xps_map_mutex); #define xmap_dereference(P) \ rcu_dereference_protected((P), lockdep_is_held(&xps_map_mutex)) @@ -1008,7 +1000,7 @@ static ssize_t store_xps_map(struct netdev_queue *queue, } if (dev_maps) - call_rcu(&dev_maps->rcu, xps_dev_maps_release); + kfree_rcu(dev_maps, rcu); netdev_queue_numa_node_write(queue, (numa_node >= 0) ? numa_node : NUMA_NO_NODE); @@ -1080,7 +1072,7 @@ static void netdev_queue_release(struct kobject *kobj) if (!nonempty) { RCU_INIT_POINTER(dev->xps_maps, NULL); - call_rcu(&dev_maps->rcu, xps_dev_maps_release); + kfree_rcu(dev_maps, rcu); } } -- 1.7.3.2