Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760810AbZKZQ2R (ORCPT ); Thu, 26 Nov 2009 11:28:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760786AbZKZQ2O (ORCPT ); Thu, 26 Nov 2009 11:28:14 -0500 Received: from casper.infradead.org ([85.118.1.10]:35167 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760782AbZKZQ2L (ORCPT ); Thu, 26 Nov 2009 11:28:11 -0500 Subject: Re: Missing recalculation of scheduler tunables in case of cpu hot add/remove From: Peter Zijlstra To: Christian Ehrhardt Cc: Ingo Molnar , "linux-kernel@vger.kernel.org" , Holger.Wolf@de.ibm.com, epasch@de.ibm.com, Martin Schwidefsky In-Reply-To: <4B0EAC06.3010407@linux.vnet.ibm.com> References: <4B0EA88E.3030205@linux.vnet.ibm.com> <1259252382.31676.207.camel@laptop> <4B0EAC06.3010407@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Date: Thu, 26 Nov 2009 17:28:12 +0100 Message-ID: <1259252892.31676.220.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 621 Lines: 13 On Thu, 2009-11-26 at 17:25 +0100, Christian Ehrhardt wrote: > > Aside from that, we probably should put an upper limit in place, as I > > guess large cpu count machines get silly large values > I agree to that, but in the code is already an upper limit of > 200.000.000 - well we might discuss if that is too low/high. Yeah, I think we should cap it around the 8-16 CPUs. -- 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/