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From: Christoph Hellwig <hch@infradead.org>
To: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
Cc: Andrea Arcangeli <andrea@suse.de>,
	Hugh Dickins <hugh@veritas.com>,
	Rik van Riel <riel@conectiva.com.br>,
	Dave McCracken <dmccr@us.ibm.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Creating a per-task kernel space for kmap, user pagetables, et al
Date: Wed, 20 Mar 2002 19:45:49 +0000	[thread overview]
Message-ID: <20020320194549.A32457@infradead.org> (raw)
In-Reply-To: <127930000.1016651345@flay>

[Any chance to make your mailer wrap lines after 76 lines?
 That would make reading a lot easier..]

On Wed, Mar 20, 2002 at 11:09:05AM -0800, Martin J. Bligh wrote:
> Imagine we create a hybrid "u-k-space" with the protections of k-space, but the locality
> of u-space .... either by making part of the current k-space per task or by making part of
> the current u-space protected like k-space ... not sure which would be easier.
> 
> This u-k-space would be a good area for at least two things (and probably others):

That has been implemented in Caldera OpenUnix in the last years.
There was a nice overview paper by Steve Baumel and Rohit Chawla on this,
called "Managing More Physical With Less Virtual" which I think appeared
in some Y2000 Byte issue.

	Christoph


  parent reply	other threads:[~2002-03-20 19:47 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-20 19:09 Creating a per-task kernel space for kmap, user pagetables, et al Martin J. Bligh
2002-03-20 19:36 ` Rik van Riel
2002-03-20 20:26   ` Andrea Arcangeli
2002-03-20 19:45 ` Christoph Hellwig [this message]
2002-03-20 23:39   ` Alan Cox
2002-03-21  4:21     ` Itai Nahshon
2002-03-21 13:34       ` Alan Cox
2002-03-21 14:34   ` Martin J. Bligh
2002-03-21 15:38     ` Itai Nahshon
2002-03-20 19:56 ` Hugh Dickins
2002-03-20 20:23 ` Andrea Arcangeli
2002-03-20 20:35   ` Christoph Hellwig
2002-03-20 21:17     ` Hugh Dickins
2002-03-20 21:38       ` Andrea Arcangeli
2002-03-20 21:34     ` Andrea Arcangeli
2002-03-20 21:46       ` Christoph Hellwig
2002-03-20 22:00         ` Andrea Arcangeli
2002-03-21 19:54           ` Greg KH
2002-03-21 23:29             ` Andrea Arcangeli
2002-03-21 23:49           ` William Lee Irwin III
2002-03-22  1:20             ` Andrea Arcangeli
2002-03-20 22:10   ` Martin J. Bligh

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