From: Pavel Machek <pavel@suse.cz>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Richard Gooch <rgooch@ras.ucalgary.ca>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Getting FS access events
Date: Sat, 19 May 2001 21:44:43 +0200 [thread overview]
Message-ID: <20010519214443.B9550@atrey.karlin.mff.cuni.cz> (raw)
In-Reply-To: <20010515161750.B38@toy.ucw.cz> <Pine.LNX.4.21.0105191238040.14472-100000@penguin.transmeta.com>
In-Reply-To: <Pine.LNX.4.21.0105191238040.14472-100000@penguin.transmeta.com>; from torvalds@transmeta.com on Sat, May 19, 2001 at 12:39:18PM -0700
Hi!
> > resume from disk is actually pretty hard to do in way it is readed linearily.
> >
> > While playing with swsusp patches (== suspend to disk) I found out that
> > it was slow. It needs to do atomic snapshot, and only reasonable way to
> > do that is free half of RAM, cli() and copy.
>
> Note that "resume from disk" does _not_ have to necessarily resume kernel
> data structures. It is enough if it just resumes the caches etc.
> Don't get _too_ hung up about the power-management kind of "invisible
> suspend/resume" sequence where you resume the whole kernel state.
Ugh. Now I'm confused. How do you do usefull resume from disk when you
don't restore complete state? Do you propose something like "write
only pagecache to disk"?
Pavel
--
The best software in life is free (not shareware)! Pavel
GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+
next prev parent reply other threads:[~2001-05-19 19:45 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200105140117.f4E1HqN07362@vindaloo.ras.ucalgary.ca>
2001-05-14 1:32 ` Getting FS access events Linus Torvalds
2001-05-14 1:45 ` Larry McVoy
2001-05-14 2:39 ` Richard Gooch
2001-05-14 3:09 ` Rik van Riel
2001-05-14 4:27 ` Richard Gooch
2001-05-15 4:37 ` Chris Wedgwood
2001-05-23 11:37 ` Stephen C. Tweedie
2001-05-14 2:24 ` Richard Gooch
2001-05-14 4:46 ` Linus Torvalds
2001-05-14 5:15 ` Richard Gooch
2001-05-14 13:04 ` Daniel Phillips
2001-05-14 18:00 ` Andreas Dilger
2001-05-14 20:16 ` Linus Torvalds
2001-05-14 23:19 ` Richard Gooch
2001-05-15 0:42 ` Daniel Phillips
2001-05-15 4:00 ` Linus Torvalds
2001-05-15 4:35 ` Larry McVoy
2001-05-15 4:59 ` Alexander Viro
2001-05-15 17:01 ` Pavel Machek
2001-05-15 4:43 ` Linus Torvalds
2001-05-15 5:04 ` Alexander Viro
2001-05-15 16:17 ` Pavel Machek
2001-05-19 19:39 ` Linus Torvalds
2001-05-19 19:44 ` Pavel Machek [this message]
2001-05-19 19:47 ` Linus Torvalds
2001-05-23 11:29 ` Stephen C. Tweedie
2001-05-20 4:30 ` Chris Wedgwood
2001-05-20 19:47 ` Alan Cox
2001-05-18 7:55 ` Rogier Wolff
2001-05-23 11:36 ` Stephen C. Tweedie
2001-05-15 4:57 ` David S. Miller
2001-05-15 5:12 ` Alexander Viro
2001-05-15 9:10 ` Alan Cox
2001-05-15 9:48 ` Lars Brinkhoff
2001-05-15 9:54 ` Alexander Viro
2001-05-15 20:17 ` Kai Henningsen
2001-05-15 20:58 ` Alexander Viro
2001-05-15 21:08 ` Alexander Viro
2001-05-15 6:20 ` Richard Gooch
2001-05-15 6:28 ` Linus Torvalds
2001-05-15 6:49 ` Richard Gooch
2001-05-15 6:57 ` Alexander Viro
2001-05-15 10:33 ` Daniel Phillips
2001-05-15 10:44 ` Alexander Viro
2001-05-15 14:42 ` Daniel Phillips
2001-05-15 7:13 ` Linus Torvalds
2001-05-15 7:56 ` Chris Wedgwood
2001-05-15 8:06 ` Linus Torvalds
2001-05-15 8:33 ` Alexander Viro
2001-05-15 10:27 ` David Woodhouse
2001-05-15 16:00 ` Chris Mason
2001-05-15 19:26 ` H. Peter Anvin
2001-05-15 20:03 ` Alexander Viro
2001-05-15 20:07 ` H. Peter Anvin
2001-05-15 20:15 ` Alexander Viro
2001-05-15 20:17 ` H. Peter Anvin
2001-05-15 20:22 ` Alexander Viro
2001-05-15 20:26 ` H. Peter Anvin
2001-05-15 20:31 ` Alexander Viro
2001-05-15 21:12 ` Linus Torvalds
2001-05-15 21:22 ` H. Peter Anvin
2001-05-15 21:02 ` Linus Torvalds
2001-05-15 21:53 ` Jan Harkes
2001-05-19 5:26 ` Chris Wedgwood
2001-05-15 10:04 ` Anton Altaparmakov
2001-05-15 19:28 ` H. Peter Anvin
2001-05-15 22:31 ` Albert D. Cahalan
2001-05-15 22:35 ` H. Peter Anvin
2001-05-16 1:17 ` Anton Altaparmakov
2001-05-16 1:30 ` H. Peter Anvin
2001-05-16 8:34 ` Anton Altaparmakov
2001-05-16 16:27 ` H. Peter Anvin
2001-05-15 16:26 ` Pavel Machek
2001-05-15 18:02 ` Craig Milo Rogers
2001-05-15 6:13 ` Richard Gooch
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