[ Grr, sorry for not including you originally Andrew, if this ends up
being ok with others, it will probably need to go through your tree. ]

On 19.02.2014 [15:17:14 -0800], Nishanth Aravamudan wrote:
> We can call local_memory_node() before the zonelists are setup. In that
> case, first_zones_zonelist() will not set zone and the reference to
> zone->node will Oops. Catch this case, and, since we presumably running
> very early, just return that any node will do.
> 
> Signed-off-by: Nishanth Aravamudan <n...@linux.vnet.ibm.com>
> Cc: Andrew Morton <a...@linux-foundation.org>
> Cc: Michal Hocko <mho...@suse.cz>
> Cc: Mel Gorman <mgor...@suse.de>
> Cc: linux...@kvack.org
> Cc: linux-ker...@vger.kernel.org
> Cc: Christoph Lameter <c...@linux.com>
> Cc: David Rientjes <rient...@google.com>
> Cc: Joonsoo Kim <iamjoonsoo....@lge.com>
> Cc: Ben Herrenschmidt <b...@kernel.crashing.org>
> Cc: Anton Blanchard <an...@samba.org>
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index e3758a0..5de4337 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -3650,6 +3650,8 @@ int local_memory_node(int node)
>                                  gfp_zone(GFP_KERNEL),
>                                  NULL,
>                                  &zone);
> +     if (!zone)
> +             return NUMA_NO_NODE;
>       return zone->node;
>  }
>  #endif

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