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Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
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From:
Pavel Machek <pavel@...>
To: Eric W. Biederman <ebiederm@...>
Cc: <nigel@...>, Huang, Ying <ying.huang@...>, Andrew Morton <akpm@...>, Jeremy Maitin-Shepard <jbms@...>, <linux-kernel@...>, <linux-pm@...>, Kexec Mailing List <kexec@...>
Subject:
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Friday, September 21, 2007 - 5:45 am
Hi!
quoted text
> > > > 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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Messages in current thread:
[RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
, Huang, Ying
, (Thu Sep 20, 1:34 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Eric W. Biederman
, (Fri Sep 21, 12:01 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Huang, Ying
, (Fri Sep 21, 4:42 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Eric W. Biederman
, (Thu Sep 20, 10:55 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Huang, Ying
, (Fri Sep 21, 3:27 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Pavel Machek
, (Thu Sep 20, 6:09 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Thu Sep 20, 8:24 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Pavel Machek
, (Fri Sep 21, 5:49 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 8:10 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Andrew Morton
, (Thu Sep 20, 9:06 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Thomas Meyer
, (Mon Sep 24, 1:37 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Thu Sep 20, 9:19 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Andrew Morton
, (Thu Sep 20, 9:41 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Rafael J. Wysocki
, (Fri Sep 21, 7:56 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, huang ying
, (Fri Sep 21, 9:25 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Fri Sep 21, 7:58 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Rafael J. Wysocki
, (Fri Sep 21, 8:18 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Fri Sep 21, 8:15 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Thu Sep 20, 9:57 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Eric W. Biederman
, (Thu Sep 20, 11:33 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 8:09 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, huang ying
, (Fri Sep 21, 9:14 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 10:31 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Jeremy Maitin-Shepard
, (Fri Sep 21, 2:11 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 3:00 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Alan Stern
, (Fri Sep 21, 3:45 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 4:15 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Jeremy Maitin-Shepard
, (Fri Sep 21, 4:26 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 4:53 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Jeremy Maitin-Shepard
, (Fri Sep 21, 5:08 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 5:25 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Jeremy Maitin-Shepard
, (Fri Sep 21, 5:16 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Kyle Moffett
, (Fri Sep 21, 7:19 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Sat Sep 22, 6:34 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Kyle Moffett
, (Sat Sep 22, 2:00 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Sat Sep 22, 5:51 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Joseph Fannin
, (Wed Sep 26, 4:52 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Nigel Cunningham
, (Fri Sep 21, 7:47 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Sat Sep 22, 6:40 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Pavel Machek
, (Thu Oct 11, 4:54 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Wed Oct 24, 4:38 pm)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, huang ying
, (Fri Sep 21, 11:02 am)
Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernat...
, Rafael J. Wysocki
, (Fri Sep 21, 11:50 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Andrew Morton
, (Fri Sep 21, 12:16 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Huang, Ying
, (Thu Sep 20, 10:18 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Thu Sep 20, 10:25 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Huang, Ying
, (Thu Sep 20, 10:45 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Alon Bar-Lev
, (Sat Sep 22, 6:02 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Thu Sep 20, 10:58 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Eric W. Biederman
, (Fri Sep 21, 12:46 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Pavel Machek
, (Fri Sep 21, 5:45 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Joseph Fannin
, (Wed Sep 26, 4:30 pm)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Huang, Ying
, (Thu Sep 27, 2:33 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Thu Sep 27, 2:35 am)
Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec ...
, Nigel Cunningham
, (Wed Sep 26, 4:52 pm)
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