On 6/23/20 5:23 AM, Peter Zijlstra wrote:
> 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.
Yes, right.
I will make this change.
>
>> + 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
>>
--
Thanks
Nitesh
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