linux-kernel - Re: include/linux/irq.h:452: error: implicit declaration of function 'cpu_to

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Date:	Mon, 9 Feb 2009 23:35:02 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Mike Travis <travis@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: include/linux/irq.h:452: error: implicit declaration of
	function 'cpu_to_node'

On Wed, Jan 21, 2009 at 03:38:25PM -0800, Mike Travis wrote:
> Alexey Dobriyan wrote:
> > On mips-malta:
> > 
> >   CC      arch/mips/mti-malta/malta-int.o
> > In file included from arch/mips/mti-malta/malta-int.c:25:
> > include/linux/irq.h: In function 'init_alloc_desc_masks':
> > include/linux/irq.h:452: error: implicit declaration of function 'cpu_to_node'
> > include/linux/irq.h:454: error: 'GFP_ATOMIC' undeclared (first use in this function)
> > 
> > I _think_ init_alloc_desc_masks() should be made out of line to fix this.
> 
> Hi Alexey,
> 
> Does adding #include <linux/slab.h> fix the error?  If so, I can add this to
> linux/irq.h.
> 
> The primary reason it's inline is that unless CONFIG_CPUMASK_OFFSTACK=y, then the
> entire routine is a NOP which optimizes out more completely as an inline function.

linux/slab.h helps.
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