From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Pavel Machek <pavel@ucw.cz>
Cc: Christoph Lameter <clameter@engr.sgi.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-mm@kvack.org
Subject: Re: Remove page flags for software suspend
Date: Thu, 01 Mar 2007 13:31:36 +1100 [thread overview]
Message-ID: <45E63B08.7070304@yahoo.com.au> (raw)
In-Reply-To: <20070228210837.GA4760@ucw.cz>
Pavel Machek wrote:
> Hi!
>
>
>>>I... actually do not like that patch. It adds code... at little or no
>>>benefit.
>>
>>We are looking into saving page flags since we are running out. The two
>>page flags used by software suspend are rarely needed and should be taken
>>out of the flags. If you can do it a different way then please do.
>
>
> Hmm, can't we just add another word to struct page?
That's what we want to avoid. As soon as we add another word, then
everbody goes crazy using it up and we can never remove it again.
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next prev parent reply other threads:[~2007-03-01 2:31 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-16 10:13 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
2007-02-28 22:23 ` Rafael J. Wysocki
2007-03-01 2:31 ` Nick Piggin [this message]
2007-02-28 10:14 ` Pavel Machek
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