From: Pavel Machek <pavel@ucw.cz>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Nigel Cunningham <nigel@suspend2.net>,
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 10:10:54 +0200 [thread overview]
Message-ID: <20060426081053.GA6676@elf.ucw.cz> (raw)
In-Reply-To: <444ED9EB.5060205@yahoo.com.au>
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On St 26-04-06 12:24:43, 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?
It does exit kernel, and does writing to devices in userspace (so it
can compress, etc).
Pavel
--
Thanks for all the (sleeping) penguins.
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Nigel Cunningham <nigel@suspend2.net>,
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 10:10:54 +0200 [thread overview]
Message-ID: <20060426081053.GA6676@elf.ucw.cz> (raw)
In-Reply-To: <444ED9EB.5060205@yahoo.com.au>
On St 26-04-06 12:24:43, 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?
It does exit kernel, and does writing to devices in userspace (so it
can compress, etc).
Pavel
--
Thanks for all the (sleeping) penguins.
next prev parent reply other threads:[~2006-04-26 8:10 UTC|newest]
Thread overview: 53+ 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 8:26 ` Rafael J. Wysocki
2006-04-25 10:04 ` Pavel Machek
2006-04-25 10:04 ` Pavel Machek
2006-04-25 10:31 ` Rafael J. Wysocki
2006-04-25 10:31 ` Rafael J. Wysocki
2006-04-27 15:27 ` 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 9:19 ` Rafael J. Wysocki
2006-04-28 9:23 ` Pavel Machek
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 21:12 ` Rafael J. Wysocki
2006-04-25 21:18 ` Nigel Cunningham
2006-04-25 21:18 ` Nigel Cunningham
2006-04-25 22:21 ` Rafael J. Wysocki
2006-04-25 22:21 ` Rafael J. Wysocki
2006-04-25 22:24 ` Nigel Cunningham
2006-04-25 22:24 ` Nigel Cunningham
2006-04-25 22:38 ` Rafael J. Wysocki
2006-04-25 22:38 ` Rafael J. Wysocki
2006-04-25 22:25 ` Pavel Machek
2006-04-25 22:25 ` Pavel Machek
2006-04-25 22:30 ` Nigel Cunningham
2006-04-25 22:30 ` Nigel Cunningham
2006-04-25 22:36 ` Pavel Machek
2006-04-25 22:36 ` Pavel Machek
2006-04-25 22:43 ` Rafael J. Wysocki
2006-04-25 22:43 ` Rafael J. Wysocki
2006-04-26 0:49 ` Nigel Cunningham
2006-04-30 12:27 ` Rafael J. Wysocki
2006-04-30 12:27 ` Rafael J. Wysocki
2006-05-01 1:49 ` Nigel Cunningham
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 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 21:16 ` Rafael J. Wysocki
2006-04-26 8:10 ` Pavel Machek [this message]
2006-04-26 8:10 ` Pavel Machek
2006-04-27 19:53 ` [RFC][PATCH] swsusp: support creating bigger images (rev. 2) Rafael J. Wysocki
2006-04-27 19:53 ` Rafael J. Wysocki
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