From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755183AbYKCIVi (ORCPT ); Mon, 3 Nov 2008 03:21:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754629AbYKCIV3 (ORCPT ); Mon, 3 Nov 2008 03:21:29 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:51997 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754614AbYKCIV3 (ORCPT ); Mon, 3 Nov 2008 03:21:29 -0500 Message-ID: <490EB3D7.6060605@cn.fujitsu.com> Date: Mon, 03 Nov 2008 16:18:31 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Andrew Morton CC: LKML Subject: [PATCH] update 'isolcpus' kernel option 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 cpuset can be used to move a process onto or off an isolated CPU. Signed-off-by: Li Zefan --- Documentation/kernel-parameters.txt | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1bbcaa8..8a8cb0c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -995,13 +995,15 @@ and is between 256 and 4096 characters. It is defined in the file Format: ,..., or - - (must be a positive range in ascending order) + - + (must be a positive range in ascending order) or a mixture ,...,- + This option can be used to specify one or more CPUs to isolate from the general SMP balancing and scheduling - algorithms. The only way to move a process onto or off - an "isolated" CPU is via the CPU affinity syscalls. + algorithms. You can move a process onto or off an + "isolated" CPU via the CPU affinity syscalls or cpuset. begins at 0 and the maximum value is "number of CPUs in system - 1". -- 1.5.4.rc3