Messages in this thread |  | | Date | Sun, 12 Oct 2014 15:17:14 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH RFC 1/5] sched,numa: build table of node hop distance |
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On Wed, Oct 08, 2014 at 03:37:26PM -0400, riel@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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