Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards

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On Wed, Apr 20, 2011 at 10:34:23AM +0300, Pekka Enberg wrote:
> That part makes me think the best option is to make parisc do
> CONFIG_NUMA as well regardless of the historical intent was.

But it's not just parisc.  It's six other architectures as well, some
of which aren't even SMP.  Does !SMP && NUMA make any kind of sense?

I think really, this is just a giant horrible misunderstanding on the part
of the MM people.  There's no reason why an ARM chip with 16MB of memory
at 0 and 16MB of memory at 1GB should be saddled with all the NUMA gunk.

Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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