From: jfannin@gmail.com (Joseph Fannin)
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: david@lang.hm, linux-kernel@vger.kernel.org,
Joseph Fannin <jfannin@gmail.com>, Pavel Machek <pavel@ucw.cz>,
"Huang, Ying" <ying.huang@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-pm@lists.linux-foundation.org,
Jeremy Maitin-Shepard <jbms@cmu.edu>
Subject: Re: Hibernating To Swap Considered Harmful
Date: Mon, 16 Jul 2007 01:37:52 -0400 [thread overview]
Message-ID: <20070716053751.GA13707@nineveh.local> (raw)
In-Reply-To: <200707141148.18279.rjw@sisk.pl>
On Sat, Jul 14, 2007 at 11:48:17AM +0200, Rafael J. Wysocki wrote:
> On Saturday, 14 July 2007 02:45, Joseph Fannin wrote:
> > On Fri, Jul 13, 2007 at 11:30:50AM +0200, Rafael J. Wysocki wrote:
> > > On Friday, 13 July 2007 07:42, Joseph Fannin wrote:
> > > > On Thu, Jul 12, 2007 at 08:06:43PM -0700, david@lang.hm wrote:
> > >
> > > If you're afraid of that, use a dedicated swap file.
> >
> > I don't understand what you mean. A dedicated swap file for what?
>
> Sorry, I should have been more precise.
>
> For hibernation (ie. a swap file that you activate right befor the
> hibernation).
>
> Also tuxonice (formerly known as suspend2) allows you to use regular files
> hibernation.
How is that different from what I proposed, other than the
requirement to pass the swap data stuctures between the two kernels?
Even if you only expect hibernation to work only _most of the
time_, suspending to swap means allocating a bunch of swap space that
you intend to never be used as swap. The two functions don't really
belong together.
--
Joseph Fannin
jfannin@gmail.com
next prev parent reply other threads:[~2007-07-16 5:37 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-11 15:30 [PATCH 0/2] Kexec jump: The first step to kexec base hibernation Huang, Ying
2007-07-11 11:13 ` Pavel Machek
2007-07-12 0:22 ` Andrew Morton
2007-07-12 5:48 ` Jeremy Fitzhardinge
[not found] ` <1184251423.9346.55.camel@caritas-dev.intel.com>
2007-07-12 7:03 ` david
2007-07-12 12:53 ` Rafael J. Wysocki
2007-07-12 16:32 ` Eric W. Biederman
[not found] ` <Pine.LNX.4.64.0707112345250.28090@asgard.lang.hm>
[not found] ` <1184260683.9346.91.camel@caritas-dev.intel.com>
2007-07-12 10:10 ` david
2007-07-12 13:01 ` Rafael J. Wysocki
2007-07-12 13:55 ` Mark Lord
2007-07-12 19:05 ` david
2007-07-12 14:06 ` Pavel Machek
[not found] ` <200707121501.03016.rjw@sisk.pl>
2007-07-12 13:22 ` jimmy bahuleyan
2007-07-12 19:03 ` david
2007-07-12 17:18 ` Huang, Ying
[not found] ` <200707121453.49616.rjw@sisk.pl>
2007-07-12 18:57 ` david
[not found] ` <Pine.LNX.4.64.0707121150460.25614@asgard.lang.hm>
2007-07-12 19:34 ` Rafael J. Wysocki
[not found] ` <200707122134.29991.rjw@sisk.pl>
2007-07-12 19:55 ` Jeremy Maitin-Shepard
2007-07-13 3:06 ` david
2007-07-13 5:42 ` Hibernating To Swap Considered Harmful Joseph Fannin
2007-07-13 5:57 ` david
2007-07-13 6:20 ` Joseph Fannin
[not found] ` <20070713062039.GA29055@nineveh.local>
2007-07-13 6:27 ` david
[not found] ` <Pine.LNX.4.64.0707122319270.25614@asgard.lang.hm>
2007-07-13 7:15 ` Joseph Fannin
[not found] ` <20070713071512.GB29055@nineveh.local>
2007-07-13 14:35 ` Jeremy Maitin-Shepard
[not found] ` <87odig1idx.fsf@jbms.ath.cx>
2007-07-17 0:12 ` Joseph Fannin
[not found] ` <20070717001239.GB20082@nineveh.local>
2007-07-17 5:44 ` Oliver Neukum
[not found] ` <200707170744.08191.oliver@neukum.org>
2007-07-17 6:28 ` Joseph Fannin
[not found] ` <20070717062803.GA9069@nineveh.local>
2007-07-17 6:42 ` david
2007-07-17 7:26 ` Joseph Fannin
2007-07-17 7:34 ` david
2007-07-17 11:52 ` Rafael J. Wysocki
[not found] ` <Pine.LNX.4.64.0707170030460.19248@asgard.lang.hm>
2007-07-17 11:54 ` Rafael J. Wysocki
2007-07-17 7:10 ` Oliver Neukum
2007-07-13 9:30 ` Rafael J. Wysocki
[not found] ` <200707131130.51279.rjw@sisk.pl>
2007-07-14 0:45 ` Joseph Fannin
[not found] ` <20070714004517.GA18336@nineveh.local>
2007-07-14 9:48 ` Rafael J. Wysocki
[not found] ` <200707141148.18279.rjw@sisk.pl>
2007-07-16 5:37 ` Joseph Fannin [this message]
2007-07-13 9:29 ` [PATCH 0/2] Kexec jump: The first step to kexec base hibernation Rafael J. Wysocki
[not found] ` <200707131129.34974.rjw@sisk.pl>
2007-07-13 9:38 ` david
2007-07-13 11:59 ` Rafael J. Wysocki
2007-07-13 14:37 ` Alan Stern
2007-07-13 15:12 ` Jeremy Maitin-Shepard
[not found] ` <87abu01gnv.fsf@jbms.ath.cx>
2007-07-13 15:45 ` Rafael J. Wysocki
[not found] ` <200707131745.43055.rjw@sisk.pl>
2007-07-13 15:50 ` Alan Stern
2007-07-13 16:48 ` Jeremy Maitin-Shepard
2007-07-13 21:23 ` Rafael J. Wysocki
2007-07-14 7:12 ` david
[not found] ` <1184347974.4523.30.camel@caritas-dev.intel.com>
2007-07-13 12:01 ` Rafael J. Wysocki
2007-07-13 17:32 ` Huang, Ying
[not found] ` <877ip54cti.fsf@jbms.ath.cx>
2007-07-12 20:45 ` Rafael J. Wysocki
2007-07-13 3:12 ` david
[not found] ` <Pine.LNX.4.64.0707122008550.25614@asgard.lang.hm>
2007-07-13 9:17 ` Rafael J. Wysocki
2007-07-13 9:25 ` david
2007-07-13 11:41 ` Rafael J. Wysocki
[not found] ` <200707131341.35801.rjw@sisk.pl>
2007-07-14 7:51 ` david
[not found] ` <Pine.LNX.4.64.0707140017560.25614@asgard.lang.hm>
2007-07-14 8:33 ` david
[not found] ` <Pine.LNX.4.64.0707140128210.25614@asgard.lang.hm>
2007-07-14 9:24 ` Rafael J. Wysocki
2007-07-14 20:00 ` Rafael J. Wysocki
2007-07-14 20:34 ` david
[not found] ` <Pine.LNX.4.64.0707141257290.14672@asgard.lang.hm>
2007-07-14 21:06 ` Rafael J. Wysocki
[not found] ` <200707142306.33783.rjw@sisk.pl>
2007-07-14 21:13 ` david
2007-07-15 10:31 ` Rafael J. Wysocki
[not found] ` <200707151231.27410.rjw@sisk.pl>
2007-07-15 19:23 ` david
2007-07-15 22:59 ` Rafael J. Wysocki
[not found] ` <200707160059.08277.rjw@sisk.pl>
2007-07-15 23:22 ` david
[not found] ` <Pine.LNX.4.64.0707151549200.25614@asgard.lang.hm>
2007-07-16 12:17 ` Rafael J. Wysocki
[not found] ` <200707161417.50166.rjw@sisk.pl>
2007-07-16 14:42 ` Huang, Ying
[not found] ` <1184596950.24143.28.camel@caritas-dev.intel.com>
2007-07-16 15:40 ` Rafael J. Wysocki
[not found] ` <200707161740.26703.rjw@sisk.pl>
2007-07-17 4:18 ` david
2007-07-17 11:46 ` Rafael J. Wysocki
2007-07-14 21:34 ` david
2007-07-15 10:39 ` Rafael J. Wysocki
[not found] ` <200707151239.28400.rjw@sisk.pl>
2007-07-15 19:33 ` david
[not found] ` <Pine.LNX.4.64.0707151224160.25614@asgard.lang.hm>
2007-07-15 23:11 ` Rafael J. Wysocki
[not found] ` <200707160111.16805.rjw@sisk.pl>
2007-07-15 23:33 ` david
[not found] ` <m14pk9fuqa.fsf@ebiederm.dsl.xmission.com>
2007-07-12 19:09 ` david
2007-07-12 19:49 ` Eric W. Biederman
[not found] ` <1184368525.1069.68.camel@caritas-dev.intel.com>
2007-07-13 16:43 ` Eric W. Biederman
[not found] ` <m1k5t4dzl4.fsf@ebiederm.dsl.xmission.com>
2007-07-14 5:48 ` Huang, Ying
[not found] ` <1184392129.1898.69.camel@caritas-dev.intel.com>
2007-07-14 9:59 ` Rafael J. Wysocki
2007-07-14 10:55 ` Huang, Ying
[not found] ` <1184410554.1898.84.camel@caritas-dev.intel.com>
2007-07-14 19:16 ` Rafael J. Wysocki
[not found] ` <200707142116.10237.rjw@sisk.pl>
2007-07-15 9:30 ` Huang, Ying
[not found] ` <1184491804.1898.121.camel@caritas-dev.intel.com>
2007-07-15 10:49 ` Rafael J. Wysocki
2007-07-17 8:13 ` david
[not found] ` <Pine.LNX.4.64.0707170101010.19248@asgard.lang.hm>
2007-07-17 11:59 ` Rafael J. Wysocki
2007-07-17 12:48 ` Huang, Ying
[not found] ` <1184676518.10998.34.camel@caritas-dev.intel.com>
2007-07-17 14:22 ` Rafael J. Wysocki
2007-07-18 0:25 ` david
2007-07-13 23:15 ` Huang, Ying
2007-07-12 12:38 ` Rafael J. Wysocki
2007-07-12 14:43 ` Huang, Ying
[not found] ` <4695C096.5080400@goop.org>
2007-07-12 6:43 ` david
2007-07-12 12:46 ` Rafael J. Wysocki
[not found] ` <200707121446.14170.rjw@sisk.pl>
2007-07-12 13:51 ` Mark Lord
[not found] ` <469631FA.2070405@rtr.ca>
2007-07-12 14:49 ` Pavel Machek
2007-07-12 15:35 ` Rafael J. Wysocki
[not found] ` <200707121735.40077.rjw@sisk.pl>
2007-07-12 16:03 ` Mark Lord
[not found] ` <469650DE.4000901@rtr.ca>
2007-07-12 16:35 ` Mark Lord
[not found] ` <46965837.8030907@rtr.ca>
2007-07-12 20:05 ` Jeremy Maitin-Shepard
[not found] ` <87y7hl2xro.fsf@jbms.ath.cx>
2007-07-13 2:38 ` Mark Lord
2007-07-12 16:09 ` Alan Stern
2007-07-12 18:49 ` david
2007-07-12 18:42 ` david
[not found] ` <Pine.LNX.4.64.0707121138140.25614@asgard.lang.hm>
[not found] ` <200707122120.19662.rjw@sisk.pl>
2007-07-12 19:14 ` david
[not found] ` <Pine.LNX.4.64.0707121210210.25614@asgard.lang.hm>
2007-07-12 19:45 ` Rafael J. Wysocki
2007-07-12 19:20 ` Rafael J. Wysocki
[not found] ` <1184260174.9346.85.camel@caritas-dev.intel.com>
2007-07-12 12:47 ` Rafael J. Wysocki
2007-07-12 17:09 ` Huang, Ying
[not found] ` <20070711111350.GI7091@elf.ucw.cz>
[not found] ` <1184257734.9346.76.camel@caritas-dev.intel.com>
2007-07-12 8:54 ` Pavel Machek
[not found] ` <20070712085428.GA1866@elf.ucw.cz>
2007-07-13 23:18 ` Huang, Ying
2007-07-12 16:28 ` Huang, Ying
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