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

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Message-ID: <1311058498.16961.15.camel@edumazet-laptop>
Date:	Tue, 19 Jul 2011 08:54:58 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cong Wang <amwang@...hat.com>
Cc:	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, Andi Kleen <andi@...stfloor.org>,
	linux-mm@...ck.org
Subject: Re: [Patch] mm: make CONFIG_NUMA depend on CONFIG_SYSFS

Le mardi 19 juillet 2011 à 14:20 +0800, Cong Wang a écrit :

> Hmm, since we don't have to enable SYSFS for NUMA, how about
> make a new Kconfig for drivers/base/node.c? I.e., CONFIG_NUMA_SYSFS,
> like patch below.
> 

I dont quite understand this patch, nor the idea behind it.

You can have a NUMA kernel (for appropriate percpu locality or whatever
kernel data), and yet user land processes unable to use numactl if SYSFS
is not enabled. I dont see a problem.

Please just fix the link problem ?



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