#ifdef CONFIG_PREEMPT_NOTIFIERS
/**
- * preempt_notifier_register - tell me when current is being being preempted
- * and rescheduled
+ * preempt_notifier_register - tell me when current is being being preempted & rescheduled
+ * @notifier: notifier struct to register
*/
void preempt_notifier_register(struct preempt_notifier *notifier)
{
/**
* preempt_notifier_unregister - no longer interested in preemption notifications
+ * @notifier: notifier struct to unregister
*
* This is safe to call from within a preemption notifier.
*/
/**
* prepare_task_switch - prepare to switch tasks
* @rq: the runqueue preparing to switch
+ * @prev: the current task that is being switched out
* @next: the task we are going to switch to.
*
* This is called with the rq lock held and interrupts off. It must