On Wed, 2017-08-09 at 17:06 +1000, Michael Ellerman wrote:
> * cpumask_weight - Count of bits in *srcp
> * @srcp: the cpumask to count bits (< nr_cpu_ids) in.
> static inline unsigned int cpumask_weight(const struct cpumask *srcp)
> return bitmap_weight(cpumask_bits(srcp), nr_cpumask_bits);
> I don't know what the comment on srcp is trying to say. It's not true
> that it only counts nr_cpu_ids worth of bits.
Right, and that's what bit me. We should report that on lkml and maybe
propose a patch that crops the result...