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From: Daniel Phillips <phillips@bonn-fries.net>
Subject: Re: Why *not* rmap, anyway?
Date: Tue, 7 May 2002 21:47:28 +0200
References: <Pine.LNX.4.33.0205071625570.1579-100000@erol> <Pine.LNX.4.44L.0205071620270.7447-100000@duckman.distro.conectiva> <20020507192547.GU15756@holomorphy.com>
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To: William Lee Irwin III <wli@holomorphy.com>, Rik van Riel <riel@conectiva.com.br>
Cc: Christian Smith <csmith@micromuse.com>, Joseph A Knapka <jknapka@earthlink.net>, "Martin J. Bligh" <Martin.Bligh@us.ibm.com>, linux-mm@kvack.org
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On Tuesday 07 May 2002 21:25, William Lee Irwin III wrote:
> Procedural interfaces to pagetable manipulations are largely what
> the BSD pmap and SVR4 HAT layers consisted of, no?

They factor the interface the wrong way for Linux.  You don't want
to have to search for each (pte *) starting from the top of the
structure.  We need to be able to do bulk processing.  The BSD
interface just doesn't accomodate this.

-- 
Daniel
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