Date: Sat, 16 Oct 2004 01:39:28 +0200
From: =?iso-8859-1?Q?J=F6rn?= Engel <joern@wohnheim.fh-wedel.de>
To: Matthias Urlichs <smurf@smurf.noris.de>
Cc: Andrew Grover <andy.grover@gmail.com>, linux-kernel@vger.kernel.org
Message-ID: <20041015233928.GA15449@wohnheim.fh-wedel.de>
References: <1097638599.2673.9668.camel@cube> <20041013092221.471f7232.ak@suse.de> <pan.2004.10.14.16.57.23.884792@smurf.noris.de> <c0a09e5c041014185545517031@mail.gmail.com> <20041015132823.GA26048@wohnheim.fh-wedel.de> <20041015135520.GA25999@kiste>
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Subject: Re: 4level page tables for Linux II
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On Fri, 15 October 2004 15:55:21 +0200, Matthias Urlichs wrote:
>
> Right now, so are the existing names: you have to remember which is which.

That appears to be the problem with any name.  Still, my confusion
about which is read(2) and which is write(2) is rare.

> Levels numbered 1..4 are much simpler: you only have to remember that
> the actual pages are level zero.

if and goto is much simpler, compared to while, for, do..while, else,
and whatever slipped my mind right now.  Maybe you should target the c
standard next. ;)

> The solution of your typo problem is typechecking in the compiler;
> presumably it'll warn me if I try to store a pgd3 pointer in a pgd2
> entry.

That should help somewhat, agreed.  Patches?

J?rn

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