From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.171]) by ozlabs.org (Postfix) with ESMTP id E7701DDD01 for ; Thu, 29 Nov 2007 21:34:23 +1100 (EST) From: Arnd Bergmann To: linuxppc-dev@ozlabs.org Subject: Re: [PATCH] Increase the upper bound on NR_CPUS. Date: Thu, 29 Nov 2007 11:33:40 +0100 References: <20071129041603.GM24243@bakeyournoodle.com> In-Reply-To: <20071129041603.GM24243@bakeyournoodle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200711291133.41188.arnd@arndb.de> Cc: Paul Mackerras List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thursday 29 November 2007, Tony Breeds wrote: > why not? In the past I've seen run-time problems because some parts of the code kmalloc NR_CPUS sized arrays, which can easily grow beyond the kmalloc limit of 128kb. Have you tried running some tests on a small machine with the big NR_CPUS? Arnd <><