From: "Stephen C. Tweedie" <sct@redhat.com>
To: Marcelo Tosatti <marcelo@conectiva.com.br>,
Rik van Riel <riel@conectiva.com.br>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Stephen Tweedie <sct@redhat.com>
Subject: Re: MM/VM todo list
Date: Fri, 5 Jan 2001 21:52:23 +0000 [thread overview]
Message-ID: <20010105215223.M1290@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0101051505430.1295-100000@duckman.distro.conectiva> <Pine.LNX.4.21.0101051454230.2859-100000@freak.distro.conectiva> <20010105221326.A10112@caldera.de>
In-Reply-To: <20010105221326.A10112@caldera.de>; from hch@caldera.de on Fri, Jan 05, 2001 at 10:13:27PM +0100
Hi,
On Fri, Jan 05, 2001 at 10:13:27PM +0100, Christoph Hellwig wrote:
> On Fri, Jan 05, 2001 at 02:56:40PM -0200, Marcelo Tosatti wrote:
> > > * VM: experiment with different active lists / aging pages
> > > of different ages at different rates + other page replacement
> > > improvements
> > > * VM: Quality of Service / fairness / ... improvements
> > * VM: Use kiobuf IO in VM instead buffer_head IO.
>
> I'd vote for killing both bufer_head and kiobuf from VM.
> Lokk at my pageio patch - VM doesn't know about the use of kiobufs
> in the filesystem IO...
It has already been talked about, and is something I'd like for 2.5
--- it's easy enough to push the buffer-head list into the
per-address-space structures so that the upper VM has no knowledge of
the IO mechanism being used underneath.
Cheers,
Stephen
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WARNING: multiple messages have this Message-ID (diff)
From: "Stephen C. Tweedie" <sct@redhat.com>
To: Marcelo Tosatti <marcelo@conectiva.com.br>,
Rik van Riel <riel@conectiva.com.br>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Stephen Tweedie <sct@redhat.com>
Subject: Re: MM/VM todo list
Date: Fri, 5 Jan 2001 21:52:23 +0000 [thread overview]
Message-ID: <20010105215223.M1290@redhat.com> (raw)
In-Reply-To: <20010105221326.A10112@caldera.de>; from hch@caldera.de on Fri, Jan 05, 2001 at 10:13:27PM +0100
Hi,
On Fri, Jan 05, 2001 at 10:13:27PM +0100, Christoph Hellwig wrote:
> On Fri, Jan 05, 2001 at 02:56:40PM -0200, Marcelo Tosatti wrote:
> > > * VM: experiment with different active lists / aging pages
> > > of different ages at different rates + other page replacement
> > > improvements
> > > * VM: Quality of Service / fairness / ... improvements
> > * VM: Use kiobuf IO in VM instead buffer_head IO.
>
> I'd vote for killing both bufer_head and kiobuf from VM.
> Lokk at my pageio patch - VM doesn't know about the use of kiobufs
> in the filesystem IO...
It has already been talked about, and is something I'd like for 2.5
--- it's easy enough to push the buffer-head list into the
per-address-space structures so that the upper VM has no knowledge of
the IO mechanism being used underneath.
Cheers,
Stephen
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/
next prev parent reply other threads:[~2001-01-05 21:54 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-05 17:14 MM/VM todo list Rik van Riel
2001-01-05 17:14 ` Rik van Riel
2001-01-05 15:54 ` Marcelo Tosatti
2001-01-05 15:54 ` Marcelo Tosatti
2001-01-05 17:50 ` Rik van Riel
2001-01-05 17:50 ` Rik van Riel
2001-01-05 16:56 ` Marcelo Tosatti
2001-01-05 16:56 ` Marcelo Tosatti
2001-01-05 21:13 ` Christoph Hellwig
2001-01-05 21:13 ` Christoph Hellwig
2001-01-05 21:20 ` Rik van Riel
2001-01-05 21:20 ` Rik van Riel
2001-01-05 21:26 ` Christoph Hellwig
2001-01-05 21:26 ` Christoph Hellwig
2001-01-05 21:27 ` Rik van Riel
2001-01-05 21:27 ` Rik van Riel
2001-01-05 21:34 ` Christoph Hellwig
2001-01-05 21:34 ` Christoph Hellwig
2001-01-05 21:52 ` Stephen C. Tweedie [this message]
2001-01-05 21:52 ` Stephen C. Tweedie
2001-01-05 17:58 ` Daniel Phillips
2001-01-05 17:58 ` Daniel Phillips
2001-01-08 17:31 ` afei
2001-01-08 17:31 ` afei
2001-01-08 17:36 ` Rik van Riel
2001-01-08 17:36 ` Rik van Riel
2001-01-08 20:23 ` Rasmus Andersen
2001-01-08 20:23 ` Rasmus Andersen
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