From: Hans Reiser <reiser@namesys.com>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Shawn <spstarr@sh0n.net>,
linux-kernel@vger.kernel.org,
Josh MacDonald <jmacd@CS.Berkeley.EDU>
Subject: Re: Possible Idea with filesystem buffering.
Date: Mon, 21 Jan 2002 00:49:27 +0300 [thread overview]
Message-ID: <3C4B3B67.60505@namesys.com> (raw)
In-Reply-To: <Pine.LNX.4.33L.0201201936340.32617-100000@imladris.surriel.com>
Rik van Riel wrote:
>On Mon, 21 Jan 2002, Hans Reiser wrote:
>
>>>>and should otherwise check to see if the filesystem supports something
>>>>like pressure_fs_cache(), yes?
>>>>
>>>That's incompatible with the concept of memory zones.
>>>
>>Care to explain more?
>>
>
>On basically any machine we'll have multiple memory zones.
>
>Each of those memory zones has its own free list and each
>of the zones can get low on free pages independantly of the
>other zones.
>
>This means that if the VM asks to get a particular page
>freed, at the very minimum you need to make a page from the
>same zone freeable.
>
>regards,
>
>Rik
>
I'll discuss with Josh tomorrow how we might implement support for that.
A clean and simple mechanism does not come to my mind immediately.
Hans
next prev parent reply other threads:[~2002-01-20 21:53 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-20 9:04 Possible Idea with filesystem buffering Shawn
2002-01-20 11:31 ` Hans Reiser
2002-01-20 13:56 ` Rik van Riel
2002-01-20 14:21 ` Hans Reiser
2002-01-20 15:13 ` Rik van Riel
2002-01-20 21:15 ` Hans Reiser
2002-01-20 21:24 ` Rik van Riel
2002-01-20 21:30 ` Hans Reiser
2002-01-20 21:40 ` Rik van Riel
2002-01-20 21:49 ` Hans Reiser [this message]
2002-01-20 22:00 ` Rik van Riel
2002-01-21 0:10 ` Matt
2002-01-21 0:57 ` Hans Reiser
2002-01-21 1:28 ` Anton Altaparmakov
2002-01-21 2:29 ` Shawn Starr
2002-01-21 19:15 ` Shawn Starr
2002-01-22 22:02 ` Hans Reiser
2002-01-21 9:21 ` Horst von Brand
2002-01-21 9:13 ` Horst von Brand
2002-01-21 15:29 ` Eric W. Biederman
2002-01-20 17:51 ` Mark Hahn
2002-01-20 21:24 ` Hans Reiser
2002-01-20 21:32 ` Rik van Riel
2002-01-21 15:37 ` Eric W. Biederman
2002-01-20 22:45 ` Shawn Starr
2002-01-20 23:11 ` Rik van Riel
2002-01-20 23:40 ` Shawn Starr
2002-01-20 23:48 ` Rik van Riel
2002-01-21 0:44 ` Hans Reiser
2002-01-21 0:52 ` Rik van Riel
2002-01-21 1:08 ` Hans Reiser
2002-01-21 1:39 ` Rik van Riel
2002-01-21 11:10 ` Hans Reiser
2002-01-21 12:12 ` Rik van Riel
2002-01-21 13:42 ` Hans Reiser
2002-01-21 13:54 ` Rik van Riel
2002-01-21 14:07 ` Hans Reiser
2002-01-21 17:21 ` Chris Mason
2002-01-21 17:47 ` Hans Reiser
2002-01-21 19:44 ` Chris Mason
2002-01-21 20:41 ` Hans Reiser
2002-01-21 21:53 ` Chris Mason
2002-01-22 6:02 ` Andreas Dilger
2002-01-22 10:09 ` Tommi Kyntola
2002-01-22 11:39 ` Hans Reiser
2002-01-22 18:41 ` Andrew Morton
2002-01-22 19:03 ` Rik van Riel
2002-01-23 20:35 ` [Ext2-devel] " Stephen C. Tweedie
2002-01-23 20:48 ` Hans Reiser
2002-01-23 20:55 ` Andrew Morton
2002-01-23 23:53 ` Hugh Dickins
2002-01-24 0:01 ` Jeff Garzik
2002-01-22 20:19 ` Hans Reiser
2002-01-22 20:50 ` Rik van Riel
2002-01-22 14:03 ` Chris Mason
2002-01-22 14:39 ` Rik van Riel
2002-01-22 18:46 ` Hans Reiser
2002-01-22 19:19 ` Chris Mason
2002-01-22 20:13 ` Steve Lord
2002-01-22 21:22 ` Chris Mason
2002-01-22 20:32 ` Hans Reiser
2002-01-22 21:08 ` Chris Mason
2002-01-22 22:05 ` Hans Reiser
2002-01-22 22:21 ` Rik van Riel
2002-01-23 0:16 ` Hans Reiser
2002-01-22 22:10 ` Richard B. Johnson
2002-01-23 1:14 ` Stuart Young
2002-01-23 17:16 ` Daniel Phillips
2002-01-22 21:12 ` Rik van Riel
2002-01-22 21:28 ` Shawn Starr
2002-01-22 21:31 ` Rik van Riel
2002-01-22 20:20 ` Rik van Riel
2002-01-22 22:31 ` Hans Reiser
2002-01-22 23:34 ` Rik van Riel
2002-01-23 17:15 ` Josh MacDonald
2002-01-21 0:28 ` Hans Reiser
2002-01-21 0:47 ` Rik van Riel
2002-01-21 1:01 ` Hans Reiser
2002-01-21 1:21 ` Rik van Riel
2002-01-21 1:26 ` Hans Reiser
2002-01-21 1:40 ` Rik van Riel
2002-01-20 15:49 ` Anton Altaparmakov
2002-01-20 21:21 ` Hans Reiser
-- strict thread matches above, loose matches on Subject: below --
2002-01-22 21:02 Rolf Lear
[not found] <Pine.LNX.4.33L.0201222008280.32617-100000@imladris.surriel.com>
2002-01-22 23:31 ` Shawn Starr
2002-01-22 23:37 ` Rik van Riel
2002-01-23 5:26 ` Shawn Starr
2002-01-23 9:43 Martin Knoblauch
2002-01-23 11:52 ` Helge Hafting
2002-01-23 12:02 ` Rik van Riel
2002-01-23 12:11 ` Martin Knoblauch
[not found] <Pine.LNX.4.33.0201231301560.24338-100000@coffee.psychology.mcmaster.ca>
[not found] ` <3C4FC478.BCC44CDF@TeraPort.de>
[not found] ` <3C4FDB80.C9F83EBB@aitel.hist.no>
2002-01-24 13:59 ` Martin Knoblauch
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