From: Pavel Machek <pavel@suse.cz>
To: Andrea Arcangeli <andrea@suse.de>
Cc: David Spreen <david@spreen.de>, linux-kernel@vger.kernel.org
Subject: swap & deadlocks [was Re: Encrypted Swap]
Date: Mon, 13 Aug 2001 03:32:14 +0000 [thread overview]
Message-ID: <20010813033214.B994@toy.ucw.cz> (raw)
In-Reply-To: <20010807042810.A23855@foobar.toppoint.de> <20010807123358.B31832@athlon.random>
In-Reply-To: <20010807123358.B31832@athlon.random>; from andrea@suse.de on Tue, Aug 07, 2001 at 12:33:58PM +0200
Hi!
> > I was just searching for swap-encryption-solutions in the lkml-archive.
> > Did I get the point saying ther's no way to do swap encryption
> > in linux right now? (Well, a swapfile in an encrypted kerneli
> > partition r something like that is not really what I want to
> > do I think).
>
> cryptoloop on the blkdev or filebacked should work just fine. However it
> will increase memory pressure and it increases the probability for a
> deadlock (but normal 2.4 swap activities can deadlock anyways if you do
> the math).
Can you show me the math? I guess this should be fixed...
Pavel
OTOH if it is not fixed, I can forget about nbd swap deadlocks --they too
happen only seldom ;-)
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
prev parent reply other threads:[~2001-08-14 11:49 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-07 2:28 Encrypted Swap David Spreen
2001-08-07 3:56 ` Justin Guyett
2001-08-07 4:01 ` Chris Wedgwood
2001-08-07 4:23 ` John Polyakov
2001-08-07 4:36 ` Chris Wedgwood
2001-08-07 5:12 ` Garett Spencley
2001-08-07 5:55 ` Ryan Mack
2001-08-07 12:37 ` Michael Bacarella
2001-08-17 14:50 ` Holger Lubitz
2001-08-17 15:39 ` Richard B. Johnson
2001-08-17 15:57 ` Holger Lubitz
2001-08-17 16:34 ` Gerhard Mack
2001-08-17 16:50 ` Richard B. Johnson
2001-08-17 17:06 ` Adrian Cox
2001-08-17 17:16 ` Richard B. Johnson
2001-08-17 17:22 ` Jacob Alifrangis
2001-08-17 17:36 ` Adrian Cox
2001-08-17 18:51 ` Nicholas Knight
2001-08-17 19:30 ` Richard B. Johnson
2001-08-18 8:51 ` Adrian Cox
2001-08-18 11:02 ` Eric W. Biederman
2001-08-19 8:51 ` Adrian Cox
2001-08-20 1:27 ` Richard B. Johnson
2001-08-20 11:08 ` Helge Hafting
2001-08-20 11:50 ` Ian Stirling
2001-08-21 13:55 ` Andreas Bombe
2001-08-17 20:00 ` Andreas Dilger
2001-08-07 6:27 ` John Polyakov
2001-08-06 23:28 ` Rob Landley
2001-08-07 10:10 ` Christopher E. Brown
2001-08-07 14:05 ` Joel Jaeggli
2001-08-07 6:41 ` Crutcher Dunnavant
2001-08-07 6:45 ` Ryan Mack
2001-08-07 6:57 ` Evgeny Polyakov
2001-08-07 7:08 ` Evgeny Polyakov
2001-08-07 7:23 ` Sean Hunter
2001-08-07 8:39 ` Ben Ford
2001-08-07 12:28 ` Kevin Krieser
2001-08-07 12:39 ` Richard B. Johnson
2001-08-07 13:39 ` Re[2]: " s0mbre
2001-08-08 2:24 ` Re[2]: Encrypted Swap (random off-topic snippet) Dr. Kelsey Hudson
2001-08-08 2:51 ` Michael H. Warfield
2001-08-07 14:21 ` Encrypted Swap Ignacio Vazquez-Abrams
2001-08-07 7:26 ` Ryan Mack
2001-08-07 7:34 ` Jeffrey Considine
2001-08-07 7:49 ` Crutcher Dunnavant
2001-08-07 9:01 ` Peter Wächtler
2001-08-07 20:09 ` Maciej Zenczykowski
2001-08-07 20:30 ` Ian Stirling
2001-08-07 4:12 ` Steve VanDevender
2001-08-07 7:34 ` Steve VanDevender
2001-08-07 7:55 ` Crutcher Dunnavant
2001-08-07 15:17 ` Garett Spencley
2001-08-07 7:49 ` Helge Hafting
2001-08-07 7:58 ` Crutcher Dunnavant
2001-08-07 9:23 ` Helge Hafting
2001-08-07 13:29 ` Wichert Akkerman
2001-08-07 15:56 ` Chris Wedgwood
2001-08-07 16:54 ` Alan Cox
2001-08-07 17:10 ` Chris Wedgwood
2001-08-07 9:52 ` Brian May
2001-08-07 14:48 ` Joel Jaeggli
2001-08-07 15:59 ` Chris Wedgwood
2001-08-07 16:18 ` Joel Jaeggli
2001-08-07 16:24 ` Florian Weimer
2001-08-07 17:14 ` [OT] Cold, Dead Hard drives (was: Encrypted Swap) Stephen Satchell
2001-08-08 2:13 ` Encrypted Swap Dr. Kelsey Hudson
2001-08-07 10:33 ` Andrea Arcangeli
2001-08-13 3:32 ` Pavel Machek [this message]
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