From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755185AbXDZXYi (ORCPT ); Thu, 26 Apr 2007 19:24:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755196AbXDZXYi (ORCPT ); Thu, 26 Apr 2007 19:24:38 -0400 Received: from warden-p.diginsite.com ([208.29.163.248]:43381 "HELO warden.diginsite.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1755185AbXDZXYh (ORCPT ); Thu, 26 Apr 2007 19:24:37 -0400 Date: Thu, 26 Apr 2007 15:49:51 -0700 (PDT) From: David Lang X-X-Sender: dlang@dlang.diginsite.com To: Pavel Machek cc: Linus Torvalds , Nigel Cunningham , Pekka Enberg , LKML Subject: Re: Back to the future. In-Reply-To: <20070426231228.GI21695@elf.ucw.cz> Message-ID: References: <1177567481.5025.211.camel@nigel.suspend2.net> <84144f020704260028q190fc90fs8f9ea703e42e7910@mail.gmail.com> <1177573348.5025.224.camel@nigel.suspend2.net> <20070426224256.GB21926@elf.ucw.cz> <20070426231228.GI21695@elf.ucw.cz> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 27 Apr 2007, Pavel Machek wrote: > Hi! > >>> This is basically the loop above, made complex by the fact that we do >>> not want to have separate partition for snapshot; we just want to >>> reuse free space in swap partition. >> >> with the size of drives today is it really that bad to require a seperate >> partition for this? > > Yes. You want uswsusp to work in situations where swsusp worked. > >> I also don't like the idea of storing this in the swap partition for a >> couple of reasons. >> >> 1. on many modern linux systems the swap partition is not large enough. >> >> for example, on my boxes with 16G or ram I only allocate 2G of swap >> space > > WTF? So allocate larger swap partition. You just told me disks are big > enough. swap partitions are limited to 2G (or at least they were a couple of months ago when I last checked). I also don't want to run the risk of having a box try to _use_ 16G worth of swap. I'd rather have the box hit OOM first. >> 2. it's too easy for other things to stomp on your swap partition. >> >> for example: booting from a live CD that finds and uses swap >> partitions > > That's a feature. If you are booting from live CD, you _want_ to erase > any hibernation image. why? it's been stated that doing a std and booting another OS (including windows) is a valid and common useage. saying that if you boot another OS you trash your suspended image doesn't sound reasonable. David Lang