From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755789AbYLaIgA (ORCPT ); Wed, 31 Dec 2008 03:36:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752975AbYLaIfv (ORCPT ); Wed, 31 Dec 2008 03:35:51 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:61136 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752296AbYLaIfu (ORCPT ); Wed, 31 Dec 2008 03:35:50 -0500 Message-ID: <495B2EA6.7010808@cn.fujitsu.com> Date: Wed, 31 Dec 2008 16:34:46 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Andrew Morton CC: Ingo Molnar , Rusty Russell , Mike Travis , Paul Menage , LKML Subject: [PATCH 0/6] cpuset: convert to new cpumask API 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 This patchset converts cpuset to use new cpumask API, and thus remove on stack cpumask_t to reduce stack usage. Before: # cat kernel/cpuset.c include/linux/cpuset.h | grep -c cpumask_t 21 After: # cat kernel/cpuset.c include/linux/cpuset.h | grep -c cpumask_t 0 The patchset is based on mmotm 2008-12-30-16-05. [PATCH 1/6] cpuset: remove on stack cpumask_t in cpuset_sprintf_cpulist() [PATCH 2/6] cpuset: remove on stack cpumask_t in cpuset_can_attach() [PATCH 3/6] cpuset: convert cpuset_attach() to use cpumask_var_t [PATCH 4/6] cpuset: don't allocate trial cpuset on stack [PATCH 5/6] cpuset: convert cpuset->cpus_allowed to cpumask_var_t [PATCH 6/6] cpuset: remove remaining pointers to cpumask_t --- include/linux/cpuset.h | 10 + kernel/cpuset.c | 279 ++++++++++++++++++++++++++++------------------- 3 files changed, 174 insertions(+), 115 deletions(-)