On 2020-01-21 12:10, muraliraja.muniraju wrote:

+	for (i = 0; i < lo->num_loop_workers; i++) {
+		kthread_init_worker(&(lo->workers[i]));
+		lo->worker_tasks[i] = kthread_run(
+				loop_kthread_worker_fn, &(lo->workers[i]),
+				"loop%d(%d)", lo->lo_number, i);
+		if (IS_ERR((lo->worker_tasks[i])))
+			goto err;
+		set_user_nice(lo->worker_tasks[i], MIN_NICE);
+	}

Unless if there is a really good reason, the workqueue mechanism should
be used instead of creating kthreads. And again unless if there is a
really good reason, one of the system workqueues (e.g. system_wq) should
be used instead of creating dedicated workqueues.

Bart.