Date: Tue, 19 Apr 2011 16:39:38 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
cc: Pekka Enberg <penberg@kernel.org>, Michal Hocko <mhocko@suse.cz>,
        Andrew Morton <akpm@linux-foundation.org>,
        Hugh Dickins <hughd@google.com>, linux-mm@kvack.org,
        LKML <linux-kernel@vger.kernel.org>, linux-parisc@vger.kernel.org,
        David Rientjes <rientjes@google.com>
Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to
 expand_upwards
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On Tue, 19 Apr 2011, James Bottomley wrote:

> > I guess DISCONTIGMEM is typically used together with NUMA. Otherwise we
> > would have run into this before.
>
> Which bit of my telling you that six architectures already use it this
> way did you not get?  I'm not really interested in reconciling your
> theories with how we currently operate.  If you want to require NUMA
> with DISCONTIGMEM, fine, we'll just define SLUB as broken if that's not
> true ... that will fix my boot panic reports.

Which part of me telling you that you will break lots of other things in
the core kernel dont you get? If you were able to get to a command prompt
with SLAB then lets all be happy for as long as it lasts.


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