Re: [PATCH] numa: fix slab_node(MPOL_BIND)

[Andrew Morton]

On Thu, 28 Oct 2010 11:55:18 -0500 (CDT)
Christoph Lameter <cl@xxxxxxxxx> wrote:

> 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.

Geeze, how did you work that out and how the heck was anyone else
supposed to know this :(

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