Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 12 Nov 2001 02:24:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 12 Nov 2001 02:23:53 -0500 Received: from warden.digitalinsight.com ([208.29.163.2]:27282 "HELO warden.diginsite.com") by vger.kernel.org with SMTP id ; Mon, 12 Nov 2001 02:23:48 -0500 From: David Lang To: Zwane Mwaikambo Cc: linux-kernel@vger.kernel.org, steve@uhura.rueb.com Date: Sun, 11 Nov 2001 22:59:25 -0800 (PST) Subject: Re: Best kernel config for exactly 1GB ram In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I leave mine at the 1G settings, it gives me 960MB instead of 1024M but avoids all the potential problems that show up with himem. there are still a lot of potential problems with himem (see linus' post last week about the pitfalls of locking memory on himem machines in the wrong zone for one example) those potential problems are worth dealing with if you really do need a lot of ram, but the difference between 960M and 1024M doesn't seem like enough benifit to be worth it. If you really need every bit of your ram you should not be running X and should shut down a LOT of the default services, if you haven't gone through and optimized your system you can probably free up more then 64M of ram that way. David Lang On Mon, 12 Nov 2001, Zwane Mwaikambo wrote: > Date: Mon, 12 Nov 2001 08:38:29 +0200 (SAST) > From: Zwane Mwaikambo > To: linux-kernel@vger.kernel.org > Cc: steve@uhura.rueb.com > Subject: Best kernel config for exactly 1GB ram > > you actually lose about 128Mb ram (128Mb HIGHMEM) if you don't specify the > 4gig option, and you might find that you'd rather have the extra memory > than the "noticeable?" slowdown. I set all my 1G boxes to 4G mostly because > i put that amount of ram because i need every bit. > > Regards, > Zwane Mwaikambo > > - > 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/ > - 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/