From: "Joseph Malicki" <jmalicki@starbak.net>
To: "David Woodhouse" <dwmw2@infradead.org>, "Jeff Dike" <jdike@karaya.com>
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>,
"H. Peter Anvin" <hpa@zytor.com>,
"Benjamin LaHaise" <bcrl@redhat.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Arch option to touch newly allocated pages
Date: Wed, 6 Mar 2002 17:25:37 -0500 [thread overview]
Message-ID: <005e01c1c55d$d73b4260$5a5b903f@h90> (raw)
In-Reply-To: <200203062025.PAA03727@ccure.karaya.com> <6920.1015450061@redhat.com>
>
> jdike@karaya.com said:
> > Yeah, MADV_DONTNEED looks right. UML and Linux/s390 (assuming VM has
> > the equivalent of MADV_DONTNEED) would need a hook in free_pages to
> > make that happen.
>
> MADV_DONTNEED
> Do not expect access in the near future. (For the
> time being, the application is finished with the
> given range, so the kernel can free resources asso
> ciated with it.)
>
> It's not clear from that that the host kernel is actually permitted to
> discard the data.
Solaris has MADV_FREE to say that the data can be discarded...
-joe
next prev parent reply other threads:[~2002-03-06 22:30 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-03 21:12 [RFC] Arch option to touch newly allocated pages Jeff Dike
2002-03-03 22:01 ` Alan Cox
2002-03-03 23:27 ` Jeff Dike
2002-03-03 23:48 ` Alan Cox
2002-03-04 3:16 ` Jeff Dike
2002-03-04 3:35 ` Alan Cox
2002-03-04 5:04 ` Jeff Dike
2002-03-04 15:09 ` Alan Cox
2002-03-04 17:42 ` Jeff Dike
2002-03-04 18:29 ` Alan Cox
2002-03-04 18:36 ` Jeff Dike
2002-03-04 18:49 ` Alan Cox
2002-03-04 20:46 ` Jeff Dike
2002-03-04 22:49 ` Alan Cox
2002-03-04 17:46 ` H. Peter Anvin
2002-03-04 18:34 ` Jeff Dike
2002-03-04 18:33 ` H. Peter Anvin
2002-03-04 20:36 ` Jeff Dike
2002-03-04 22:51 ` Alan Cox
2002-03-05 4:15 ` Jeff Dike
2002-03-05 4:28 ` Benjamin LaHaise
2002-03-05 4:40 ` Jeff Dike
2002-03-05 5:34 ` H. Peter Anvin
2002-03-05 14:43 ` Jeff Dike
2002-03-05 16:37 ` H. Peter Anvin
2002-03-05 16:56 ` Wayne Whitney
2002-03-05 18:12 ` Jeff Dike
2002-03-05 18:30 ` Benjamin LaHaise
2002-03-06 14:59 ` Daniel Phillips
2002-03-06 15:24 ` Benjamin LaHaise
2002-03-06 15:24 ` Daniel Phillips
2002-03-06 16:36 ` Benjamin LaHaise
2002-03-06 23:14 ` Daniel Phillips
2002-03-06 23:20 ` Benjamin LaHaise
2002-03-06 23:26 ` Daniel Phillips
2002-03-06 23:33 ` H. Peter Anvin
2002-03-07 0:08 ` Daniel Phillips
2002-03-07 1:27 ` Jeff Dike
2002-03-07 1:52 ` Benjamin LaHaise
2002-03-08 19:17 ` Jeff Dike
2002-03-08 21:22 ` Benjamin LaHaise
2002-03-07 13:49 ` Alan Cox
2002-03-07 13:36 ` Daniel Phillips
2002-03-07 14:04 ` yodaiken
2002-03-07 14:21 ` Daniel Phillips
2002-03-07 14:38 ` yodaiken
2002-03-07 15:31 ` Daniel Phillips
2002-03-07 16:50 ` yodaiken
2002-03-07 18:07 ` Daniel Phillips
2002-03-07 18:15 ` yodaiken
2002-03-07 19:22 ` Alan Cox
2002-03-07 22:43 ` David Woodhouse
2002-03-07 23:09 ` Alan Cox
2002-03-07 22:57 ` David Woodhouse
2002-03-07 14:43 ` Alan Cox
2002-03-07 15:32 ` Daniel Phillips
2002-03-07 16:19 ` Alan Cox
2002-03-07 17:54 ` Daniel Phillips
2002-03-07 15:34 ` Daniel Phillips
2002-03-07 19:18 ` Andrew Morton
2002-03-07 20:10 ` Rik van Riel
2002-03-07 20:56 ` Andrew Morton
2002-03-07 21:23 ` Rik van Riel
2002-03-07 22:02 ` Andrew Morton
2002-03-07 22:10 ` Rik van Riel
2002-03-07 22:23 ` Andrew Morton
2002-03-07 22:27 ` Rik van Riel
2002-03-07 22:41 ` Andrew Morton
2002-03-07 22:42 ` David Lang
2002-03-06 16:03 ` Jesse Pollard
2002-03-06 17:08 ` Jeff Dike
2002-03-06 17:33 ` Alan Cox
2002-03-07 0:28 ` Jeff Dike
2002-03-07 0:44 ` Alan Cox
2002-03-05 18:46 ` H. Peter Anvin
2002-03-06 1:30 ` Alan Cox
2002-03-06 10:49 ` David Woodhouse
2002-03-06 14:26 ` Jeff Dike
2002-03-06 16:50 ` Alan Cox
2002-03-06 20:25 ` Jeff Dike
2002-03-06 20:54 ` Alan Cox
2002-03-06 21:27 ` Malcolm Beattie
2002-03-06 23:26 ` Jeff Dike
2002-03-06 21:27 ` David Woodhouse
2002-03-06 22:25 ` Joseph Malicki [this message]
2002-03-07 0:04 ` Richard Gooch
2002-03-07 0:28 ` Jeff Dike
2002-03-07 0:44 ` Alan Cox
2002-03-06 22:21 ` Pavel Machek
2002-03-07 11:30 ` Dave Jones
2002-03-07 18:21 ` H. Peter Anvin
2002-03-05 14:43 ` Jeff Dike
2002-03-05 16:57 ` H. Peter Anvin
2002-03-05 18:14 ` Jeff Dike
2002-03-05 18:45 ` H. Peter Anvin
2002-03-05 17:30 ` Jan Harkes
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