Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932150Ab1CRDiE (ORCPT ); Thu, 17 Mar 2011 23:38:04 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:58870 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755759Ab1CRDh6 (ORCPT ); Thu, 17 Mar 2011 23:37:58 -0400 Message-ID: <4D82D3FF.2080303@cn.fujitsu.com> Date: Fri, 18 Mar 2011 11:39:43 +0800 From: Lai Jiangshan User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Thunderbird/3.1.4 MIME-Version: 1.0 To: "Paul E. McKenney" , Ingo Molnar , Jens Axboe , Robert Love , "James E.J. Bottomley" , Neil Horman , "David S. Miller" , Alexey Kuznetsov , "Pekka Savola (ipv6)" , James Morris , Hideaki YOSHIFUJI , Patrick McHardy , Eric Dumazet , Stephen Hemminger , Tejun Heo , Jarek Poplawski , linux-kernel@vger.kernel.org, devel@open-fcoe.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 01/36] net,rcu: convert call_rcu(free_dm_hw_stat) to kfree_rcu() References: <4D82D071.5020703@cn.fujitsu.com> In-Reply-To: <4D82D071.5020703@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-03-18 11:36:34, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-03-18 11:36:35, Serialize complete at 2011-03-18 11:36:35 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1619 Lines: 54 The rcu callback free_dm_hw_stat() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(free_dm_hw_stat). Signed-off-by: Lai Jiangshan --- net/core/drop_monitor.c | 12 ++---------- 1 files changed, 2 insertions(+), 10 deletions(-) diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index 36e603c..32365e7 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -207,14 +207,6 @@ static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi) rcu_read_unlock(); } - -static void free_dm_hw_stat(struct rcu_head *head) -{ - struct dm_hw_stat_delta *n; - n = container_of(head, struct dm_hw_stat_delta, rcu); - kfree(n); -} - static int set_all_monitor_traces(int state) { int rc = 0; @@ -245,7 +237,7 @@ static int set_all_monitor_traces(int state) list_for_each_entry_safe(new_stat, temp, &hw_stats_list, list) { if (new_stat->dev == NULL) { list_del_rcu(&new_stat->list); - call_rcu(&new_stat->rcu, free_dm_hw_stat); + kfree_rcu(new_stat, rcu); } } break; @@ -314,7 +306,7 @@ static int dropmon_net_event(struct notifier_block *ev_block, new_stat->dev = NULL; if (trace_state == TRACE_OFF) { list_del_rcu(&new_stat->list); - call_rcu(&new_stat->rcu, free_dm_hw_stat); + kfree_rcu(new_stat, rcu); break; } } -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/