From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030363AbWARP6L (ORCPT ); Wed, 18 Jan 2006 10:58:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030367AbWARP6K (ORCPT ); Wed, 18 Jan 2006 10:58:10 -0500 Received: from public.id2-vpn.continvity.gns.novell.com ([195.33.99.129]:25553 "EHLO emea1-mh.id2.novell.com") by vger.kernel.org with ESMTP id S1030363AbWARP6J (ORCPT ); Wed, 18 Jan 2006 10:58:09 -0500 Message-Id: <43CE73A0.76F0.0078.0@novell.com> X-Mailer: Novell GroupWise Internet Agent 7.0 Date: Wed, 18 Jan 2006 16:58:08 +0100 From: "Jan Beulich" To: "Andreas Kleen" Cc: , "Benjamin Herrenschmidt" , "Andrew Morton" , "Paul Mackerras" , Subject: Re: [PATCH] CONFIG_UNWIND_INFO References: <4370AF4A.76F0.0078.0@novell.com> <20060114045635.1462fb9e.akpm@osdl.org> <17358.11049.367188.552649@cargo.ozlabs.ibm.com> <20060118151816.GA82365@muc.de> In-Reply-To: <20060118151816.GA82365@muc.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >The module loader should be discarding these sections on most architectures >because there is nothing that needs them and it's just a waste of memory >to store them. > >[IA64 might be an exception because they have a kernel level unwinder] > >So it would be best to change the module loader to do this I guess. But that's why this is a config option: You can prevent the data from being created in the first place if you know you won't need it. For nlkd, adding code to discard these sections despite CONFIG_UNWIND_INFO would only make for more differences, because I'd then have to undo this discarding. Jan