Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754334Ab3CKU5n (ORCPT ); Mon, 11 Mar 2013 16:57:43 -0400 Received: from mail-ie0-f172.google.com ([209.85.223.172]:45423 "EHLO mail-ie0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752994Ab3CKU5m (ORCPT ); Mon, 11 Mar 2013 16:57:42 -0400 MIME-Version: 1.0 In-Reply-To: <20130311204530.GE14738@redhat.com> References: <20130311182655.GB12107@redhat.com> <513E2695.3080707@zytor.com> <513E28B8.3000502@zytor.com> <20130311192021.GF12107@redhat.com> <513E36CB.5040908@zytor.com> <20130311201245.GC14738@redhat.com> <513E3C44.9030402@zytor.com> <87hakhk6xu.fsf@xmission.com> <20130311204530.GE14738@redhat.com> Date: Mon, 11 Mar 2013 13:57:41 -0700 X-Google-Sender-Auth: BJBq_9XQIbOihkU1OygWETfgaWY Message-ID: Subject: Re: [PATCH] x86, kdump: Set crashkernel_low automatically From: Yinghai Lu To: Vivek Goyal Cc: "Eric W. Biederman" , "H. Peter Anvin" , Konrad Rzeszutek Wilk , Thomas Gleixner , Ingo Molnar , WANG Chao , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1080 Lines: 27 On Mon, Mar 11, 2013 at 1:45 PM, Vivek Goyal wrote: > In my experience, trying to keep foot-print small has kind of been a > losing battle. > > - People want more functionality in second kernel, want to dump to more > complicated IO stacks and that requires pulling in more drivers, > more libraries, more daemons, more user space tools and what not. > > - Now we use dracut generated initramfs and it has been growing in size. > Now systemd has been pulled in too. > > - Drivers keep on increasing their memory usage. If the dump file will be only put one place, why should all the drivers for all devices get loaded? for example: dump will be on disk with one scsi controller, can you only load driver that contoller? and forget about all other storage controller and network etc drivers. Thanks Yinghai -- 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/