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Date: Wed, 30 Jan 2008 22:50:15 +0100
From: Ingo Molnar <mingo@elte.hu>
To: travis@sgi.com
Subject: Re: [PATCH 2/6] percpu: Change Kconfig to HAVE_SETUP_PER_CPU_AREA
	linux-2.6.git
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	<20080130180940.369732000@sgi.com>
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Cc: Tony Luck <tony.luck@intel.com>, linux-ia64@vger.kernel.org,
	linuxppc-dev@ozlabs.org, Sam Ravnborg <sam@ravnborg.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	linux-kernel@vger.kernel.org, Andi Kleen <ak@suse.de>, linux-mm@kvack.org,
	Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	David Miller <davem@davemloft.net>, Christoph Lameter <clameter@sgi.com>
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* travis@sgi.com <travis@sgi.com> wrote:

> Change:
> 	config ARCH_SETS_UP_PER_CPU_AREA
> to:
> 	config HAVE_SETUP_PER_CPU_AREA

undocumented change:

>  config ARCH_NO_VIRT_TO_BUS
> --- a/init/main.c
> +++ b/init/main.c
> @@ -380,6 +380,8 @@ static void __init setup_per_cpu_areas(v
>  
>  	/* Copy section for each CPU (we discard the original) */
>  	size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE);
> +	printk(KERN_INFO
> +	    "PERCPU: Allocating %lu bytes of per cpu data (main)\n", size);
>  	ptr = alloc_bootmem_pages(size * nr_possible_cpus);

but looks fine to me.

	Ingo