From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 26 Mar 2008 07:19:25 +0100 From: Ingo Molnar Subject: Re: [PATCH 0/2] NR_CPUS: increase maximum NR_CPUS to 4096 Message-ID: <20080326061925.GC18301@elte.hu> References: <20080326014137.934171000@polaris-admin.engr.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080326014137.934171000@polaris-admin.engr.sgi.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Mike Travis Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: * Mike Travis wrote: > Increases the limit of NR_CPUS to 4096 and introduces a boolean called > "MAXSMP" which when set (e.g. "allyesconfig") will set NR_CPUS = 4096 > and NODES_SHIFT = 9 (512). > > I've been running this config (4k NR_CPUS, 512 Max Nodes) on an AMD > box with 2 dual-cores and 4gb memory. I've also successfully booted > it in a simulated 2cpus/1Gb environment. cool! this depends on the cpumask changes to work correctly (i.e. to boot at all), right? Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org