From: Pavel Machek <pavel@ucw.cz>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: nigel@suspend2.net,
Kexec Mailing List <kexec@lists.infradead.org>,
linux-kernel@vger.kernel.org, "Huang,
Ying" <ying.huang@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-pm@lists.linux-foundation.org,
Jeremy Maitin-Shepard <jbms@cmu.edu>
Subject: Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Fri, 21 Sep 2007 11:45:12 +0200 [thread overview]
Message-ID: <20070921094512.GA20149@elf.ucw.cz> (raw)
In-Reply-To: <m1r6ksiq27.fsf@ebiederm.dsl.xmission.com>
Hi!
> >
> > Sounds doable, as long as you can cope with long command lines (which
> > shouldn't be a biggie). (If you've got a swapfile or parts of a swap
> > partition already in use, it can be quite fragmented).
>
> Hmm. This is an interesting problem. Sharing a swap file or a swap
> partition with the actual swap of user space pages does seem to be
> a limitation of this approach.
>
> Although the fact that it is simple to write to a separate file may
> be a reasonable compensation.
I'm not sure how you'd write it to a separate file. Notice that kjump
kernel may not mount journalling filesystems, not even
read-only. (Ext3 replays journal in that case). You could pass block
numbers from the original kernel...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: nigel@suspend2.net, "Huang, Ying" <ying.huang@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jeremy Maitin-Shepard <jbms@cmu.edu>,
linux-kernel@vger.kernel.org,
linux-pm@lists.linux-foundation.org,
Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Fri, 21 Sep 2007 11:45:12 +0200 [thread overview]
Message-ID: <20070921094512.GA20149@elf.ucw.cz> (raw)
In-Reply-To: <m1r6ksiq27.fsf@ebiederm.dsl.xmission.com>
Hi!
> >
> > Sounds doable, as long as you can cope with long command lines (which
> > shouldn't be a biggie). (If you've got a swapfile or parts of a swap
> > partition already in use, it can be quite fragmented).
>
> Hmm. This is an interesting problem. Sharing a swap file or a swap
> partition with the actual swap of user space pages does seem to be
> a limitation of this approach.
>
> Although the fact that it is simple to write to a separate file may
> be a reasonable compensation.
I'm not sure how you'd write it to a separate file. Notice that kjump
kernel may not mount journalling filesystems, not even
read-only. (Ext3 replays journal in that case). You could pass block
numbers from the original kernel...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-09-21 9:48 UTC|newest]
Thread overview: 167+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-20 5:34 [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump Huang, Ying
2007-09-20 5:34 ` Huang, Ying
2007-09-20 10:09 ` Pavel Machek
2007-09-20 10:09 ` Pavel Machek
2007-09-21 0:24 ` Nigel Cunningham
2007-09-21 0:24 ` Nigel Cunningham
2007-09-21 0:24 ` Nigel Cunningham
2007-09-21 1:06 ` Andrew Morton
2007-09-21 1:06 ` Andrew Morton
2007-09-21 1:06 ` Andrew Morton
2007-09-21 1:19 ` Nigel Cunningham
2007-09-21 1:19 ` Nigel Cunningham
2007-09-21 1:19 ` Nigel Cunningham
2007-09-21 1:41 ` Andrew Morton
2007-09-21 1:41 ` Andrew Morton
2007-09-21 1:57 ` Nigel Cunningham
2007-09-21 1:57 ` Nigel Cunningham
2007-09-21 1:57 ` Nigel Cunningham
2007-09-21 2:18 ` Huang, Ying
2007-09-21 2:18 ` Huang, Ying
2007-09-21 2:25 ` Nigel Cunningham
2007-09-21 2:25 ` Nigel Cunningham
2007-09-21 2:45 ` Huang, Ying
2007-09-21 2:45 ` Huang, Ying
2007-09-21 2:45 ` Huang, Ying
2007-09-21 2:58 ` Nigel Cunningham
2007-09-21 2:58 ` Nigel Cunningham
2007-09-21 2:58 ` Nigel Cunningham
2007-09-21 4:46 ` Eric W. Biederman
2007-09-21 4:46 ` Eric W. Biederman
2007-09-21 4:46 ` Eric W. Biederman
2007-09-21 9:45 ` Pavel Machek
2007-09-21 9:45 ` Pavel Machek [this message]
2007-09-21 9:45 ` Pavel Machek
2007-09-26 20:30 ` Joseph Fannin
2007-09-26 20:30 ` Joseph Fannin
2007-09-26 20:30 ` Joseph Fannin
2007-09-26 20:52 ` Nigel Cunningham
2007-09-26 20:52 ` Nigel Cunningham
2007-09-26 20:52 ` Nigel Cunningham
2007-09-27 6:33 ` Huang, Ying
2007-09-27 6:33 ` Huang, Ying
2007-09-27 6:33 ` Huang, Ying
2007-09-27 6:35 ` Nigel Cunningham
2007-09-27 6:35 ` Nigel Cunningham
2007-09-27 6:35 ` Nigel Cunningham
2007-09-22 22:02 ` Alon Bar-Lev
2007-09-22 22:02 ` Alon Bar-Lev
2007-09-22 22:02 ` Alon Bar-Lev
2007-09-21 2:25 ` Nigel Cunningham
2007-09-21 2:18 ` Huang, Ying
2007-09-21 3:33 ` Eric W. Biederman
2007-09-21 3:33 ` Eric W. Biederman
2007-09-21 3:33 ` Eric W. Biederman
2007-09-21 12:09 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 12:09 ` Rafael J. Wysocki
2007-09-21 13:14 ` huang ying
2007-09-21 13:14 ` [linux-pm] " huang ying
2007-09-21 13:14 ` huang ying
2007-09-21 14:31 ` Rafael J. Wysocki
2007-09-21 14:31 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 14:31 ` Rafael J. Wysocki
2007-09-21 14:45 ` Alan Stern
2007-09-21 15:27 ` Rafael J. Wysocki
2007-09-21 15:02 ` huang ying
2007-09-21 15:02 ` [linux-pm] " huang ying
2007-09-21 15:02 ` huang ying
2007-09-21 15:50 ` Rafael J. Wysocki
2007-09-21 15:50 ` Rafael J. Wysocki
2007-09-21 15:50 ` Rafael J. Wysocki
2007-09-21 18:11 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 18:11 ` Jeremy Maitin-Shepard
2007-09-21 19:00 ` Rafael J. Wysocki
2007-09-21 19:00 ` Rafael J. Wysocki
2007-09-21 19:00 ` Rafael J. Wysocki
2007-09-21 19:45 ` Alan Stern
2007-09-21 19:45 ` [linux-pm] " Alan Stern
2007-09-21 19:45 ` Alan Stern
2007-09-21 20:15 ` Rafael J. Wysocki
2007-09-21 20:15 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 20:15 ` Rafael J. Wysocki
2007-09-21 20:26 ` Jeremy Maitin-Shepard
2007-09-21 20:26 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 20:26 ` Jeremy Maitin-Shepard
2007-09-21 20:53 ` Rafael J. Wysocki
2007-09-21 20:53 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 20:53 ` Rafael J. Wysocki
2007-09-21 21:08 ` Jeremy Maitin-Shepard
2007-09-21 21:08 ` Jeremy Maitin-Shepard
2007-09-21 21:25 ` Rafael J. Wysocki
2007-09-21 21:25 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 21:25 ` Rafael J. Wysocki
2007-09-21 21:16 ` Jeremy Maitin-Shepard
2007-09-21 21:16 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 21:16 ` Jeremy Maitin-Shepard
2007-09-21 23:19 ` Kyle Moffett
2007-09-21 23:19 ` Kyle Moffett
2007-09-21 23:47 ` Nigel Cunningham
2007-09-21 23:47 ` [linux-pm] " Nigel Cunningham
2007-09-21 23:47 ` Nigel Cunningham
2007-09-22 10:40 ` Rafael J. Wysocki
2007-09-22 10:40 ` [linux-pm] " Rafael J. Wysocki
2007-09-22 10:40 ` Rafael J. Wysocki
2007-10-11 20:54 ` Pavel Machek
2007-10-11 20:54 ` Pavel Machek
2007-10-24 20:38 ` Rafael J. Wysocki
2007-10-24 20:38 ` [linux-pm] " Rafael J. Wysocki
2007-10-24 20:38 ` Rafael J. Wysocki
2007-10-11 20:54 ` Pavel Machek
2007-09-22 10:34 ` Rafael J. Wysocki
2007-09-22 10:34 ` [linux-pm] " Rafael J. Wysocki
2007-09-22 10:34 ` Rafael J. Wysocki
2007-09-22 18:00 ` Kyle Moffett
2007-09-22 18:00 ` Kyle Moffett
2007-09-22 21:51 ` Rafael J. Wysocki
2007-09-22 21:51 ` [linux-pm] " Rafael J. Wysocki
2007-09-22 21:51 ` Rafael J. Wysocki
2007-09-26 20:52 ` Joseph Fannin
2007-09-26 20:52 ` Joseph Fannin
2007-09-26 20:52 ` Joseph Fannin
2007-09-22 18:00 ` Kyle Moffett
2007-09-21 23:19 ` Kyle Moffett
2007-09-21 21:08 ` Jeremy Maitin-Shepard
2007-09-21 18:11 ` Jeremy Maitin-Shepard
2007-09-21 12:09 ` Rafael J. Wysocki
2007-09-21 4:16 ` Andrew Morton
2007-09-21 4:16 ` Andrew Morton
2007-09-21 4:16 ` Andrew Morton
2007-09-21 11:56 ` Rafael J. Wysocki
2007-09-21 11:56 ` Rafael J. Wysocki
2007-09-21 11:56 ` Rafael J. Wysocki
2007-09-21 11:58 ` Nigel Cunningham
2007-09-21 11:58 ` Nigel Cunningham
2007-09-21 11:58 ` Nigel Cunningham
2007-09-21 12:18 ` Rafael J. Wysocki
2007-09-21 12:18 ` Rafael J. Wysocki
2007-09-21 12:15 ` Nigel Cunningham
2007-09-21 12:15 ` Nigel Cunningham
2007-09-21 12:15 ` Nigel Cunningham
2007-09-21 12:18 ` Rafael J. Wysocki
2007-09-21 13:25 ` huang ying
2007-09-21 13:25 ` huang ying
2007-09-21 13:25 ` huang ying
2007-09-21 1:41 ` Andrew Morton
2007-09-24 17:37 ` Thomas Meyer
2007-09-24 17:37 ` Thomas Meyer
2007-09-24 17:37 ` Thomas Meyer
2007-09-21 9:49 ` Pavel Machek
2007-09-21 9:49 ` Pavel Machek
2007-09-21 9:49 ` Pavel Machek
2007-09-21 12:10 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 12:10 ` Rafael J. Wysocki
2007-09-21 12:10 ` Rafael J. Wysocki
2007-09-20 10:09 ` Pavel Machek
2007-09-21 2:55 ` Eric W. Biederman
2007-09-21 2:55 ` Eric W. Biederman
2007-09-21 2:55 ` Eric W. Biederman
2007-09-21 7:27 ` Huang, Ying
2007-09-21 7:27 ` Huang, Ying
2007-09-21 7:27 ` Huang, Ying
2007-09-21 4:01 ` Eric W. Biederman
2007-09-21 4:01 ` Eric W. Biederman
2007-09-21 8:42 ` Huang, Ying
2007-09-21 8:42 ` Huang, Ying
2007-09-21 8:42 ` Huang, Ying
2007-09-21 4:01 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2007-09-20 5:34 Huang, Ying
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