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

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Message-ID: <20110718170950.GD8006@one.firstfloor.org>
Date:	Mon, 18 Jul 2011 19:09:50 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	Amerigo Wang <amwang@...hat.com>, 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 03:14:18PM +0300, Pekka Enberg wrote:
> 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?

Yes it is. No direct dependency.

I would rather fix it in ppc.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
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