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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Linux MM <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Vladimir Davydov <vdavydov@parallels.com>
Subject: Re: [PATCH for v3.17-rc1] Revert "slab: remove BAD_ALIEN_MAGIC"
Date: Fri, 8 Aug 2014 17:08:37 +0200	[thread overview]
Message-ID: <CAMuHMdVZdaVeYY=A=eVEC67GGyQNq2XZ8wN3fk0+ywtkoa6EmA@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1408080943280.16459@gentwo.org>

On Fri, Aug 8, 2014 at 4:44 PM, Christoph Lameter <cl@linux.com> wrote:
> On Fri, 8 Aug 2014, Joonsoo Kim wrote:
>
>> This reverts commit a640616822b2 ("slab: remove BAD_ALIEN_MAGIC").
>
> Lets hold off on this one. I am bit confused as to why a non NUMA system
> would have multiple NUMA nodes.

DISCONTIGMEM

mm/Kconfig:

#
# Both the NUMA code and DISCONTIGMEM use arrays of pg_data_t's
# to represent different areas of memory.  This variable allows
# those dependencies to exist individually.
#
config NEED_MULTIPLE_NODES
        def_bool y
        depends on DISCONTIGMEM || NUMA

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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  reply	other threads:[~2014-08-08 15:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-08  7:00 Joonsoo Kim
2014-08-08 14:44 ` Christoph Lameter
2014-08-08 15:08   ` Geert Uytterhoeven [this message]
2014-08-08 15:54     ` Christoph Lameter

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