From: Pavel Machek <pavel@ucw.cz>
To: Christoph Lameter <clameter@engr.sgi.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, linux-mm@kvack.org
Subject: Re: Remove page flags for software suspend
Date: Wed, 28 Feb 2007 21:22:36 +0000 [thread overview]
Message-ID: <20070228212235.GD4760@ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.64.0702281315560.28432@schroedinger.engr.sgi.com>
On Wed 2007-02-28 13:16:51, Christoph Lameter wrote:
> On Wed, 28 Feb 2007, Pavel Machek wrote:
>
> > Hmm, can't we just add another word to struct page?
?
> > Plus we really need PageNosave from boot on...
>
> Well it would be great to get the story straight. First I was told that
> the bitmaps can be allocated later. Now we dont. The current patch should
> do what you want.
PageNosave is set by boot code in some cases, as Rafael told you.
It may be possible to redo boot processing at suspend time, but it
would be ugly can of worms, I'm not sure if BIOS data are still
available, and neccessary functions are probably __init.
Pavel
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next prev parent reply other threads:[~2007-02-28 21:22 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-16 10:13 Remove page flags for software suspend Christoph Lameter
2007-02-16 10:56 ` Rafael J. Wysocki
2007-02-28 10:14 ` Pavel Machek
2007-02-28 15:25 ` Christoph Lameter
2007-02-28 17:13 ` Rafael J. Wysocki
2007-02-28 17:17 ` Christoph Lameter
2007-02-28 17:33 ` Rafael J. Wysocki
2007-02-28 17:35 ` Christoph Lameter
2007-02-28 17:51 ` Rafael J. Wysocki
2007-02-28 17:56 ` Christoph Lameter
2007-02-28 21:11 ` Pavel Machek
2007-03-01 2:35 ` Nick Piggin
2007-03-01 15:18 ` Nick Piggin
2007-03-01 15:33 ` Rafael J. Wysocki
2007-03-01 23:10 ` Rafael J. Wysocki
2007-03-04 13:50 ` [RFC][PATCH 0/3] swsusp: Do not use page flags (was: Re: Remove page flags for software suspend) Rafael J. Wysocki
2007-03-04 14:07 ` [RFC][PATCH 1/3] swsusp: Do not use page flags directly Rafael J. Wysocki
2007-03-13 4:45 ` Nick Piggin
2007-03-04 14:07 ` [RFC][PATCH 2/3] swsusp: Do not use page flags Rafael J. Wysocki
2007-03-13 4:47 ` Nick Piggin
2007-03-13 9:16 ` Rafael J. Wysocki
2007-03-13 9:23 ` Nick Piggin
2007-03-13 10:17 ` Rafael J. Wysocki
2007-03-13 10:31 ` Nick Piggin
2007-03-13 21:20 ` Rafael J. Wysocki
2007-03-14 3:17 ` Nick Piggin
2007-03-14 8:30 ` Rafael J. Wysocki
2007-03-04 14:08 ` [RFC][PATCH 3/3] mm: Remove nosave and nosave_free " Rafael J. Wysocki
2007-03-08 1:00 ` [RFC][PATCH 0/3] swsusp: Do not use page flags (was: Re: Remove page flags for software suspend) Johannes Berg
2007-03-08 22:05 ` Rafael J. Wysocki
2007-03-08 22:10 ` Johannes Berg
2007-03-08 22:33 ` Rafael J. Wysocki
2007-03-08 22:43 ` Johannes Berg
2007-03-08 22:54 ` Rafael J. Wysocki
2007-03-08 22:54 ` Johannes Berg
2007-03-08 23:15 ` Pavel Machek
2007-03-08 23:21 ` Johannes Berg
2007-03-08 23:23 ` Pavel Machek
2007-03-08 23:34 ` Rafael J. Wysocki
2007-03-08 23:36 ` Pavel Machek
2007-03-08 15:09 ` Johannes Berg
2007-03-08 22:10 ` Rafael J. Wysocki
2007-03-08 22:12 ` Johannes Berg
2007-03-08 15:53 ` Peter Zijlstra
2007-03-08 22:11 ` Rafael J. Wysocki
2007-03-01 17:48 ` Remove page flags for software suspend Hugh Dickins
2007-03-13 3:36 ` Nick Piggin
2007-03-01 20:46 ` Rafael J. Wysocki
2007-03-02 10:17 ` Pavel Machek
2007-02-28 21:08 ` Pavel Machek
2007-02-28 21:16 ` Christoph Lameter
2007-02-28 21:22 ` Pavel Machek [this message]
2007-02-28 22:23 ` Rafael J. Wysocki
2007-03-01 2:31 ` Nick Piggin
2007-02-28 10:14 ` Pavel Machek
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