From: Nigel Cunningham <nigel@suspend2.net>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Pavel Machek <pavel@ucw.cz>,
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 13:41:27 +1000 [thread overview]
Message-ID: <200604261341.32500.nigel@suspend2.net> (raw)
In-Reply-To: <444ED9EB.5060205@yahoo.com.au>
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Hi Nick.
On Wednesday 26 April 2006 12:24, Nick Piggin wrote:
> Rafael J. Wysocki wrote:
> >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. ;-)
>
> Why not the current task? Does it exit the kernel? Or go through some
> get_uesr_pages path?
I think Rafael is asleep at the mo, so I'll answer for him - he's wanting it
to be compatible with using userspace to control what happens (uswsusp). In
that case, current will be the userspace program that's calling the ioctls to
get processes frozen etc.
Regards,
Nigel
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next prev parent reply other threads:[~2006-04-26 10:46 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
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 [this message]
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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