From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755362AbYFZCrS (ORCPT ); Wed, 25 Jun 2008 22:47:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752557AbYFZCrI (ORCPT ); Wed, 25 Jun 2008 22:47:08 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:61967 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752306AbYFZCrH (ORCPT ); Wed, 25 Jun 2008 22:47:07 -0400 Message-ID: <4862F9B3.5030300@cn.fujitsu.com> Date: Thu, 26 Jun 2008 10:06:43 +0800 From: Lai Jiangshan User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Andrew Morton , "Paul E. McKenney" CC: Linux Kernel Mailing List Subject: [PATCH]rcu classic: update qlen when cpu offline Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When callbacks are moved from offline cpu to this cpu, the qlen field of this rdp should be updated. Signed-off-by: Lai Jiangshan --- diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index f4ffbd0..42aead6 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -373,6 +373,10 @@ static void __rcu_offline_cpu(struct rcu_data *this_rdp, rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail); rcu_move_batch(this_rdp, rdp->curlist, rdp->curtail); rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail); + + local_irq_disable(); + this_rdp->qlen += rdp->qlen; + local_irq_enable(); } static void rcu_offline_cpu(int cpu)