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SubjectRe: [PATCH] Avoid mask based num_possible_cpus and num_online_cpus
>>> +int nr_online_cpus __read_mostly;
>>> +EXPORT_SYMBOL(nr_online_cpus);
>>> +
>>>  void set_cpu_possible(unsigned int cpu, bool possible)
>>>  {
>>>       if (possible)
>> Did you forget to add:
>>        nr_possible_cpus = cpumask_weight(cpu_possible_mask);
>> inside set_cpu_possible() ?
> No. That was intentional as I have that coupled with nr_cpu_ids and
> set once after all the bits are set in setup_nr_cpu_ids() instead of
> doing for each bit set.

But, Srivatsa's way seems more safer, no? Is there any advantage to make couple
with nr_cpu_ids?
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