82 torture_param(int, nreaders, -1, "Number of readers, -1 for 75% of CPUs.");
613 	for (i = 0; i < nreaders; i++) {  in reset_readers()
669 	set_cpus_allowed_ptr(current, cpumask_of(nreaders % nr_cpu_ids));  in main_func()
684 	while (atomic_read(&n_init) < nreaders + 1)  in main_func()
693 		atomic_set(&nreaders_exp, nreaders);  in main_func()
694 		atomic_set(&n_started, nreaders);  in main_func()
695 		atomic_set(&n_warmedup, nreaders);  in main_func()
696 		atomic_set(&n_cooleddown, nreaders);  in main_func()
700 		for (r = 0; r < nreaders; r++) {  in main_func()
706 				nreaders);  in main_func()
716 		result_avg[exp] = div_u64(1000 * process_durations(nreaders), nreaders * loops);  in main_func()
761 		 verbose, shutdown, holdoff, loops, nreaders, nruns, readdelay);  in ref_scale_print_module_parms()
778 		for (i = 0; i < nreaders; i++)  in ref_scale_cleanup()
851 	if (nreaders < 0)  in ref_scale_init()
852 		nreaders = (num_online_cpus() >> 1) + (num_online_cpus() >> 2);  in ref_scale_init()
855 	if (WARN_ONCE(nreaders <= 0, "%s: nreaders = %d, adjusted to 1\n", __func__, nreaders))  in ref_scale_init()
856 		nreaders = 1;  in ref_scale_init()
859 	reader_tasks = kcalloc(nreaders, sizeof(reader_tasks[0]),  in ref_scale_init()
867 	VERBOSE_SCALEOUT("Starting %d reader threads", nreaders);  in ref_scale_init()
869 	for (i = 0; i < nreaders; i++) {  in ref_scale_init()