From: Nigel Cunningham <nigel@suspend2.net>
To: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Linux PM <linux-pm@osdl.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC][PATCH] swsusp: support creating bigger images
Date: Wed, 26 Apr 2006 08:30:51 +1000 [thread overview]
Message-ID: <200604260830.57866.nigel@suspend2.net> (raw)
In-Reply-To: <20060425222526.GG6379@elf.ucw.cz>
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HI.
On Wednesday 26 April 2006 08:25, Pavel Machek wrote:
> 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...
You assume too much. This is just using existing code.
Regards,
Nigel
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next prev parent reply other threads:[~2006-04-25 22:32 UTC|newest]
Thread overview: 30+ 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
2006-04-25 22:30 ` Nigel Cunningham [this message]
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
2006-04-26 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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