From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Nigel Cunningham <nigel@suspend2.net>,
Nick Piggin <nickpiggin@yahoo.com.au>,
LKML <linux-kernel@vger.kernel.org>, Linux PM <linux-pm@osdl.org>
Subject: Re: [RFC][PATCH] swsusp: support creating bigger images
Date: Wed, 26 Apr 2006 00:25:27 +0200 [thread overview]
Message-ID: <20060425222526.GG6379@elf.ucw.cz> (raw)
In-Reply-To: <200604260021.08888.rjw@sisk.pl>
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Hi!
> > It does apply to all of the LRU pages. This is what I've been doing for years
> > now. The only corner case I've come across is XFS. It still wants to write
> > data even when there's nothing to do and it's threads are frozen (IIRC -
> > haven't looked at it for a while). I got around that by freezing bdevs when
> > freezing processes.
>
> This means if we freeze bdevs, we'll be able to save all of the LRU pages,
> except for the pages mapped by the current task, without copying. I think we
> can try to do this, but we'll need a patch to freeze bdevs for this purpose. ;-)
...adding more dependencies to how vm/blockdevs work. I'd say current
code is complex enough...
Pavel
--
Thanks for all the (sleeping) penguins.
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next prev parent reply other threads:[~2006-04-25 22:25 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-24 21:55 [RFC][PATCH] swsusp: support creating bigger images Rafael J. Wysocki
2006-04-24 22:16 ` Pavel Machek
2006-04-25 8:26 ` Rafael J. Wysocki
2006-04-25 10:04 ` Pavel Machek
2006-04-25 10:31 ` Rafael J. Wysocki
2006-04-27 15:27 ` Rafael J. Wysocki
2006-04-27 20:55 ` Pavel Machek
2006-04-28 9:19 ` Rafael J. Wysocki
2006-04-28 9:23 ` Pavel Machek
2006-04-25 10:28 ` Nick Piggin
2006-04-25 15:39 ` Rafael J. Wysocki
2006-04-25 20:32 ` Pavel Machek
2006-04-25 21:12 ` Rafael J. Wysocki
2006-04-25 21:18 ` Nigel Cunningham
2006-04-25 22:21 ` Rafael J. Wysocki
2006-04-25 22:24 ` Nigel Cunningham
2006-04-25 22:38 ` Rafael J. Wysocki
2006-04-25 22:25 ` Pavel Machek [this message]
2006-04-25 22:30 ` Nigel Cunningham
2006-04-25 22:36 ` Pavel Machek
2006-04-25 22:43 ` Rafael J. Wysocki
2006-04-26 0:49 ` Nigel Cunningham
2006-04-30 12:27 ` Rafael J. Wysocki
2006-05-01 1:49 ` Nigel Cunningham
2006-05-01 11:20 ` Rafael J. Wysocki
2006-05-01 22:56 ` Nigel Cunningham
2006-04-26 2:24 ` Nick Piggin
2006-04-26 3:41 ` Nigel Cunningham
2006-04-26 16:22 ` Nick Piggin
2006-04-26 21:16 ` Rafael J. Wysocki
2006-04-26 8:10 ` Pavel Machek
2006-04-27 19:53 ` [RFC][PATCH] swsusp: support creating bigger images (rev. 2) Rafael J. Wysocki
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