Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030318AbWHOOmD (ORCPT ); Tue, 15 Aug 2006 10:42:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030322AbWHOOmD (ORCPT ); Tue, 15 Aug 2006 10:42:03 -0400 Received: from mail.suse.de ([195.135.220.2]:2527 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1030318AbWHOOmB (ORCPT ); Tue, 15 Aug 2006 10:42:01 -0400 To: Arjan van de Ven Cc: hugh@veritas.com, akpm@osdl.org, dmccr@us.ibm.com, linux-kernel@vger.kernel.org Subject: Re: Shared page tables patch... some results References: <1155638047.3011.96.camel@laptopd505.fenrus.org> From: Andi Kleen Date: 15 Aug 2006 16:41:46 +0200 In-Reply-To: <1155638047.3011.96.camel@laptopd505.fenrus.org> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 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 Content-Length: 777 Lines: 15 Arjan van de Ven writes: > and the result is interesting: > Just booting into runlevel 5 and logging into gnome (without starting > any apps) gets a sharing of 1284 pte pages! This means that five > megabytes (!!) of memory is saved, and countless pagefaults are avoided. > When I start SLES10 GNOME after boot with one firefox window and one gnome terminal I only have ~5.3MB in total page tables according to /proc/meminfo You're saying you can share 5MB of those. Call me sceptical of your numbers. -Andi - 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/