linux-kernel - Re: [PATCH 2/8] Remove NR_CPUS from asm-generic/percpu.h

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Message-ID: <20070306132138.GE9031@elte.hu>
Date:	Tue, 6 Mar 2007 14:21:38 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Zachary Amsden <zach@...are.com>,
	Jeremy Fitzhardinge <jeremy@...source.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>
Subject: Re: [PATCH 2/8] Remove NR_CPUS from asm-generic/percpu.h


* Rusty Russell <rusty@...tcorp.com.au> wrote:

> I managed to get an error about NR_CPUS undefined after a make 
> allyesconfig.  Admittedly this was a patched kernel, but it's easy to 
> remove it and avoid the error in future even if it's OK at the moment.

> -extern unsigned long __per_cpu_offset[NR_CPUS];
> +extern unsigned long __per_cpu_offset[];

i'd much rather have us fix that include file dependency problem than to 
work it around by hiding the true dimension of the __per_cpu_offset 
array

	Ingo
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