Date: Fri, 19 Oct 2007 00:45:51 +0200
From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Sam Ravnborg <sam@ravnborg.org>, ak@suse.de, bwalle@suse.de,
       linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
       vgoyal@in.ibm.com
Subject: Re: [patch 1/3] Add BSS to resource tree
Message-ID: <20071018224550.GD3459@bingen.suse.de>
References: <20071018111535.356215664@strauss.suse.de> <20071018111535.883533731@strauss.suse.de> <20071018142642.5b3f6ba4.akpm@linux-foundation.org> <20071018214836.GA3459@bingen.suse.de> <20071018215827.GB23708@uranus.ravnborg.org> <20071018220048.GB3459@bingen.suse.de> <20071018221813.GA23801@uranus.ravnborg.org> <20071018153751.c9c458c8.akpm@linux-foundation.org>
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On Thu, Oct 18, 2007 at 03:37:51PM -0700, Andrew Morton wrote:
> On Fri, 19 Oct 2007 00:18:13 +0200
> Sam Ravnborg <sam@ravnborg.org> wrote:
> 
> > And I recall that extern char sym[] is considered correct by binutils 
> > people - but I'm not 100% sure and google did not give me an appropriate hit.
> 
> An ancient memory tells me that these things are traditionally
> declared as plain old int:
> 
> extern int start;
> extern int edata;

int is probably one of the less useful types. Typical operation is computing
the difference between two symbols in bytes. &int without cast would give
you a useless scaled size.

-Andi

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