From: "Stephen C. Tweedie" <sct@redhat.com>
To: John Fremlin <vii@penguinpowered.com>
Cc: "Stephen C. Tweedie" <sct@redhat.com>,
linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
Subject: Re: journaling & VM
Date: Wed, 7 Jun 2000 18:11:44 +0100 [thread overview]
Message-ID: <20000607181144.U30951@redhat.com> (raw)
In-Reply-To: <m2r9a9a1q6.fsf_-_@boreas.southchinaseas>; from vii@penguinpowered.com on Wed, Jun 07, 2000 at 05:35:13PM +0100
Hi,
On Wed, Jun 07, 2000 at 05:35:13PM +0100, John Fremlin wrote:
>
> You are saying, that the MM system maintains a list of pages, then
> when it wants to free some memory it goes down the list seeing which
> subsystem owns each page, and asks it to free some memory. (Correct me
> if I am wrong).
> That is, each filesystem or whatever can basically implement its own
> MM. If so, why not simply have a list of subsystems that own memory
> with some sort of measure of how much space they're wasting, and ask
> the ones with a lot to free some?
Because you want to have some idea of the usage patterns of the
pages, too, so that you can free pages which haven't been accessed
recently regardless of who owns them.
--Stephen
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next prev parent reply other threads:[~2000-06-07 17:11 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.10.10006060811120.15888-100000@dax.joh.cam.ac.uk>
[not found] ` <393CA40C.648D3261@reiser.to>
[not found] ` <20000606114851.A30672@home.ds9a.nl>
[not found] ` <393CBBB8.554A0D2A@reiser.to>
[not found] ` <20000606172606.I25794@redhat.com>
[not found] ` <393D37D1.1BC61DC3@reiser.to>
[not found] ` <20000606205447.T23701@redhat.com>
2000-06-06 23:06 ` journaling & VM (was: Re: reiserfs being part of the kernel: it's not just the code) Rik van Riel
2000-06-07 1:19 ` journaling & VM (was: Re: reiserfs being part of the kernel: it'snot " Hans Reiser
2000-06-07 1:46 ` Quintela Carreira Juan J.
2000-06-07 3:45 ` Hans Reiser
2000-06-07 11:15 ` Stephen C. Tweedie
2000-06-07 13:23 ` Rik van Riel
2000-06-07 13:41 ` Stephen C. Tweedie
2000-06-07 14:27 ` Rik van Riel
2000-06-07 14:46 ` Stephen C. Tweedie
2000-06-07 14:51 ` bert hubert
2000-06-07 15:20 ` Quintela Carreira Juan J.
2000-06-07 15:35 ` Stephen C. Tweedie
2000-06-07 15:41 ` Rik van Riel
2000-06-07 15:44 ` Juan J. Quintela
2000-06-07 17:10 ` Jeff V. Merkey
2000-06-07 17:14 ` Stephen C. Tweedie
2000-06-07 17:21 ` Jeff V. Merkey
2000-06-07 20:16 ` Hans Reiser
2000-06-07 21:20 ` Rik van Riel
2000-06-07 21:52 ` journaling & VM Hans Reiser
2000-06-07 22:11 ` James Sutherland
2000-06-07 22:29 ` Rik van Riel
2000-06-08 1:11 ` Neil Schemenauer
2000-06-08 1:29 ` Rik van Riel
2000-06-07 20:16 ` journaling & VM (was: Re: reiserfs being part of the kernel: it'snot just the code) Hans Reiser
2000-06-07 20:54 ` Stephen C. Tweedie
2000-06-07 21:29 ` Hans Reiser
2000-06-07 21:31 ` Rik van Riel
2000-06-07 21:33 ` Stephen C. Tweedie
2000-06-07 22:20 ` journaling & VM Hans Reiser
2000-06-07 21:50 ` journaling & VM (was: Re: reiserfs being part of the kernel: it'snot just the code) Juan J. Quintela
2000-06-07 19:02 ` journaling & VM (was: Re: reiserfs being part of the kernel:it'snot " Hans Reiser
2000-06-07 13:40 ` journaling & VM (was: Re: reiserfs being part of the kernel: it'snot " Chris Mason
2000-06-07 13:47 ` Stephen C. Tweedie
2000-06-07 11:12 ` Stephen C. Tweedie
2000-06-07 16:35 ` journaling & VM John Fremlin
2000-06-07 17:11 ` Stephen C. Tweedie [this message]
[not found] ` <20000608114435.A15433@uni-koblenz.de>
2000-06-08 21:29 ` Stephen C. Tweedie
2000-06-09 11:53 ` Ralf Baechle
2000-06-07 17:48 ` journaling & VM (was: Re: reiserfs being part of the kernel: it'snot just the code) Hans Reiser
2000-06-07 18:01 ` Rik van Riel
2000-06-07 19:58 ` Stephen C. Tweedie
2000-06-07 20:56 ` Juan J. Quintela
2000-06-07 21:14 ` Rik van Riel
2000-06-07 21:24 ` Stephen C. Tweedie
2000-06-07 21:40 ` Juan J. Quintela
2000-06-07 21:49 ` Stephen C. Tweedie
2000-06-07 22:00 ` Juan J. Quintela
2000-06-07 22:22 ` Manfred Spraul
2000-06-09 15:08 ` Rik van Riel
2000-06-09 16:52 ` Manfred Spraul
2000-06-09 17:23 ` Rik van Riel
2000-06-09 18:26 ` journaling & VM (was: Re: reiserfs being part of the kernel:it'snot " Manfred Spraul
2000-06-07 22:28 ` journaling & VM (was: Re: reiserfs being part of the kernel: it'snot " Hans Reiser
2000-06-07 10:10 ` journaling & VM (was: Re: reiserfs being part of the kernel: it's not " Stephen C. Tweedie
[not found] ` <393DACC8.5DB60A81@reiser.to>
2000-06-07 11:00 ` reiserfs being part of the kernel: it's not just the code Stephen C. Tweedie
2000-06-07 17:11 ` Rik van Riel
2000-06-07 17:13 ` Stephen C. Tweedie
2000-06-07 17:46 ` Hans Reiser
2000-06-07 19:53 ` Stephen C. Tweedie
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