On Wed, Oct 08, 2014 at 03:37:26PM -0400, r...@redhat.com wrote:
> +     sched_domains_numa_hops = kzalloc(sizeof(int) * nr_node_ids * 
> nr_node_ids, GFP_KERNEL);
> +     if (!sched_domains_numa_hops)
> +             return;

That's potentially a _BIG_ table (1M for a 512 node system).
The node_distance has magic allocations and is of u8 size, is there any
way we can re-use node_distance and avoid a second O(n^2) allocation?
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