linux-kernel - Re: [Patch] mm: make CONFIG_NUMA depend on CONFIG

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Date:	Mon, 18 Jul 2011 15:14:18 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	Amerigo Wang <amwang@...hat.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Andi Kleen <andi@...stfloor.org>, Mel Gorman <mgorman@...e.de>,
	linux-mm@...ck.org
Subject: Re: [Patch] mm: make CONFIG_NUMA depend on CONFIG_SYSFS

On Mon, Jul 18, 2011 at 2:18 PM, Amerigo Wang <amwang@...hat.com> wrote:
> On ppc, we got this build error with randconfig:
>
> drivers/built-in.o:(.toc1+0xf90): undefined reference to `vmstat_text': 1 errors in 1 logs
>
> This is due to that it enabled CONFIG_NUMA but not CONFIG_SYSFS.
>
> And the user-space tool numactl depends on sysfs files too.
> So, I think it is very reasonable to make CONFIG_NUMA depend on CONFIG_SYSFS.

Is it? CONFIG_NUMA is useful even without userspace numactl tool, no?
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