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Date: Thu, 28 Oct 2010 11:55:18 -0500 (CDT)
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To: Linus Torvalds <torvalds@linux-foundation.org>
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        Peter Zijlstra <peterz@infradead.org>, Brian Gerst <brgerst@gmail.com>,
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Subject: Re: [PATCH] numa: fix slab_node(MPOL_BIND)
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On Thu, 28 Oct 2010, Linus Torvalds wrote:

> And so does - although less obviously - mm/vmscan.c for the
> wait_iff_confgested() thing.
>
> So are those buggy too, since first_zones_zonelist() can apparently return NULL?

The code is fine.

first_zones_zonelist() can only return NULL for the case that a nodemask
was specified and the code in vmscan.c does not specify a nodemask.