From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lai Jiangshan Subject: [PATCH 16/36] net,rcu: convert call_rcu(rps_map_release) to kfree_rcu() Date: Fri, 18 Mar 2011 12:01:31 +0800 Message-ID: <4D82D91B.1080102@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit To: "Paul E. McKenney" , Ingo Molnar , "David S. Miller" , Eric Dumazet , Tom Herbert Received: from cn.fujitsu.com ([222.73.24.84]:50016 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932172Ab1CRD7p (ORCPT ); Thu, 17 Mar 2011 23:59:45 -0400 Sender: netdev-owner@vger.kernel.org List-ID: The rcu callback rps_map_release() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(rps_map_release). Signed-off-by: Lai Jiangshan --- net/core/net-sysfs.c | 11 ++--------- 1 files changed, 2 insertions(+), 9 deletions(-) diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index e23c01b..21e9208 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -550,13 +550,6 @@ static ssize_t show_rps_map(struct netdev_rx_queue *queue, return len; } -static void rps_map_release(struct rcu_head *rcu) -{ - struct rps_map *map = container_of(rcu, struct rps_map, rcu); - - kfree(map); -} - static ssize_t store_rps_map(struct netdev_rx_queue *queue, struct rx_queue_attribute *attribute, const char *buf, size_t len) @@ -604,7 +597,7 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue, spin_unlock(&rps_map_lock); if (old_map) - call_rcu(&old_map->rcu, rps_map_release); + kfree_rcu(old_map, rcu); free_cpumask_var(mask); return len; @@ -713,7 +706,7 @@ static void rx_queue_release(struct kobject *kobj) map = rcu_dereference_raw(queue->rps_map); if (map) { RCU_INIT_POINTER(queue->rps_map, NULL); - call_rcu(&map->rcu, rps_map_release); + kfree_rcu(map, rcu); } flow_table = rcu_dereference_raw(queue->rps_flow_table); -- 1.7.4