On 2020-09-07 18:23, Ming Lei wrote: > +bool percpu_ref_inited(struct percpu_ref *ref) > +{ > + return percpu_count_ptr(ref) != NULL; > +} > +EXPORT_SYMBOL_GPL(percpu_ref_inited); Wouldn't percpu_ref_initialized() be a better name? How about adding kernel-doc documentation? Thanks, Bart.