On Mon, Jun 22, 2020 at 07:45:10PM -0400, Nitesh Narayan Lal wrote: > @@ -756,6 +757,13 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue, > return err; > } > > + hk_flags = HK_FLAG_DOMAIN | HK_FLAG_WQ; > + cpumask_and(mask, mask, housekeeping_cpumask(hk_flags)); > + if (cpumask_weight(mask) == 0) { We have cpumask_empty() for that, which is a much more efficient way of testing the same. > + free_cpumask_var(mask); > + return -EINVAL; > + } > + > map = kzalloc(max_t(unsigned int, > RPS_MAP_SIZE(cpumask_weight(mask)), L1_CACHE_BYTES), > GFP_KERNEL); > -- > 2.18.4 >