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Date: Thu, 18 Oct 2007 23:48:37 +0200
From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Bernhard Walle <bwalle@suse.de>, linux-kernel@vger.kernel.org,
       kexec@lists.infradead.org, ak@suse.de, vgoyal@in.ibm.com
Subject: Re: [patch 1/3] Add BSS to resource tree
Message-ID: <20071018214836.GA3459@bingen.suse.de>
References: <20071018111535.356215664@strauss.suse.de> <20071018111535.883533731@strauss.suse.de> <20071018142642.5b3f6ba4.akpm@linux-foundation.org>
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> > +extern char _text[], _end[], _etext[], _edata[], _bss[];
> 
> These should be in a header file.

Normally the "no externs in .c" rule doesn't apply to assembler or linker 
script defined labels. That's because the point of the header file is to 
type check them, but there is nothing to type check here.

-Andi