sched: Fix comment for requeue_rt_entity

Signed-off-by: Richard Weinberger <[e-mail]>
Signed-off-by: Peter Zijlstra <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

kernel/sched_rt.c

···
 }
 
 /*
- * Put task to the end of the run list without the overhead of dequeue
- * followed by enqueue.
+ * Put task to the head or the end of the run list without the overhead of
+ * dequeue followed by enqueue.
  */
 static void
 requeue_rt_entity(struct rt_rq *rt_rq, struct sched_rt_entity *rt_se, int head)