On Fri, 2016-08-19 at 16:47 -0300, Thadeu Lima de Souza Cascardo wrote: > Instead of using flow stats per NUMA node, use it per CPU. When using > megaflows, the stats lock can be a bottleneck in scalability.
...
>
> flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow)
> - + (nr_node_ids
> + + (num_possible_cpus()
> * sizeof(struct flow_stats *)),
> 0, 0, NULL);
> if (flow_cache == NULL)
This is bogus.
Please use nr_cpu_ids instead of num_possible_cpus().
