From: Rolf Eike Beer <eike-kernel@sf-tec.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [2.4.23-pre3] Possible bug in fs/buffer.c
Date: Mon, 8 Sep 2003 18:12:36 +0200
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Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Andreas Schwab <schwab@suse.de>
References: <200309081715.09657@bilbo.math.uni-mannheim.de> <je3cf7uw0f.fsf@sykes.suse.de> <1063036721.21084.55.camel@dhcp23.swansea.linux.org.uk>
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Am Montag, 8. September 2003 17:58 schrieb Alan Cox:
> On Llu, 2003-09-08 at 16:42, Andreas Schwab wrote:
> > It's neither ugly, nor bogus.  The only 100% reliable way to assign the
> > maximum value to an unsigned integer is to use -1.
>
> Its not 100% reliable either 8). Properly you should use the limits.h
> values. The kernel assumes 2's complement so just adding a cast would
> probably keep gcc happy

gcc didn't even find that. He complained about a line slightly above this one. 
In limits.h there is no value equal to -1UL.

Eike
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