From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755438AbYGaEO3 (ORCPT ); Thu, 31 Jul 2008 00:14:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751532AbYGaENS (ORCPT ); Thu, 31 Jul 2008 00:13:18 -0400 Received: from rv-out-0506.google.com ([209.85.198.237]:48868 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751434AbYGaENR (ORCPT ); Thu, 31 Jul 2008 00:13:17 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-disposition:message-id:content-type :content-transfer-encoding; b=RkK++lahUPwodhJj+QXdFeSXA4K5OzteXI/ScDQ0xPu1hWZG9O+HUySTlEvmh+sAA5 VyfmXCvSjgmMK3/FOd/w4SmyTWBgzti6Bdb9Koi9w1+u3rMw5VFsZ2Y88fF7uQOGSrcA IcKjpAhDwpBmt/Dm2eG4SCBDN2cnSkonULMpc= From: Yinghai Lu To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , "Eric W. Biederman" , Dhaval Giani , Mike Travis , Andrew Morton Subject: [PATCH 3/3] irq: make irqs in kernel stat use per_cpu_dyn_array Date: Wed, 30 Jul 2008 21:12:21 -0700 User-Agent: KMail/1.9.9 Cc: linux-kernel@vger.kernel.org References: <200807291414.55479.yhlu.kernel@gmail.com> <200807301210.31511.yhlu.kernel@gmail.com> <200807302109.21519.yhlu.kernel@gmail.com> In-Reply-To: <200807302109.21519.yhlu.kernel@gmail.com> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200807302112.22050.yhlu.kernel@gmail.com> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Yinghai Lu --- include/linux/kernel_stat.h | 4 ++++ kernel/sched.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) Index: linux-2.6/include/linux/kernel_stat.h =================================================================== --- linux-2.6.orig/include/linux/kernel_stat.h +++ linux-2.6/include/linux/kernel_stat.h @@ -28,7 +28,11 @@ struct cpu_usage_stat { struct kernel_stat { struct cpu_usage_stat cpustat; +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned int *irqs; +#else unsigned int irqs[NR_IRQS]; +#endif }; DECLARE_PER_CPU(struct kernel_stat, kstat); Index: linux-2.6/kernel/sched.c =================================================================== --- linux-2.6.orig/kernel/sched.c +++ linux-2.6/kernel/sched.c @@ -4022,9 +4022,12 @@ static inline void idle_balance(int cpu, #endif DEFINE_PER_CPU(struct kernel_stat, kstat); - EXPORT_PER_CPU_SYMBOL(kstat); +#ifdef CONFIG_HAVE_DYN_ARRAY +DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL); +#endif + /* * Return p->sum_exec_runtime plus any more ns on the sched_clock * that have not yet been banked in case the task is currently running.