Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268832AbUJPUKI (ORCPT ); Sat, 16 Oct 2004 16:10:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268864AbUJPUI7 (ORCPT ); Sat, 16 Oct 2004 16:08:59 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:34713 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S268832AbUJPUGx (ORCPT ); Sat, 16 Oct 2004 16:06:53 -0400 Subject: Re: High pitched noise from laptop: processor.c in linux 2.6 From: Lee Revell To: Pavel Machek Cc: M , linux-kernel In-Reply-To: <20041007143245.GA1698@openzaurus.ucw.cz> References: <41650CAF.1040901@unimail.com.au> <20041007103210.GA32260@atrey.karlin.mff.cuni.cz> <20041007143245.GA1698@openzaurus.ucw.cz> Content-Type: text/plain Message-Id: <1097956343.2148.17.camel@krustophenia.net> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Sat, 16 Oct 2004 15:52:23 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 782 Lines: 24 On Thu, 2004-10-07 at 10:32, Pavel Machek wrote: > Hi! > > > >> Is there any way to stop this? I googled around and found it had > > >> something to do with idle frequency of 1000 Hz in 2.6 instead of 100Hz > > >> in the 2.4 kernel. I couldn't find much else on this. Hunting around the > > >> code didn't help much, I don't know C. > > > > > > Change #define HZ 1000 to #define HZ 100... > > > > ... and lose all the benefits of HZ=1000. > > What benefits? HZ=1000 takes 1W more on my system. > Better timer resolution? Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/