From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757636AbZANG7X (ORCPT ); Wed, 14 Jan 2009 01:59:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753224AbZANG7P (ORCPT ); Wed, 14 Jan 2009 01:59:15 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:53289 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753136AbZANG7O (ORCPT ); Wed, 14 Jan 2009 01:59:14 -0500 Message-ID: <496D8D07.5080108@cn.fujitsu.com> Date: Wed, 14 Jan 2009 14:58:15 +0800 From: Lai Jiangshan User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: "Paul E. McKenney" , Ingo Molnar , Linux Kernel Mailing List Subject: [PATCH] rcu: add __cpuinit to rcu_init_percpu_data() 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 Impact: rcu_init_percpu_data() is not use after boot when !CONFIG_HOTPLUG_CPU add __cpuinit to rcu_init_percpu_data(), and this function's text will be discarded after boot when !CONFIG_HOTPLUG_CPU. Signed-off-by: Lai Jiangshan --- diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index 490934f..bd5a900 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -716,7 +716,7 @@ void rcu_check_callbacks(int cpu, int user) raise_rcu_softirq(); } -static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, +static void __cpuinit rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { unsigned long flags; diff --git a/kernel/rcutree.c b/kernel/rcutree.c index f2d8638..b2fd602 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -1314,7 +1314,7 @@ int rcu_needs_cpu(int cpu) * access due to the fact that this CPU cannot possibly have any RCU * callbacks in flight yet. */ -static void +static void __cpuinit rcu_init_percpu_data(int cpu, struct rcu_state *rsp) { unsigned long flags;