sched/rt: Fix 'struct sched_dl_entity' and dl_task_time() comments, to match the current upstream code

Signed-off-by: xiaofeng.yan <xiaofeng.yan@huawei.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1399605687-18094-1-git-send-email-xiaofeng.yan@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

include/linux/sched.h

@@ -1175,8 +1175,8 @@ struct sched_dl_entity {
 
 	/*
 	 * Original scheduling parameters. Copied here from sched_attr
-	 * during sched_setscheduler2(), they will remain the same until
-	 * the next sched_setscheduler2().
+	 * during sched_setattr(), they will remain the same until
+	 * the next sched_setattr().
 	 */
 	u64 dl_runtime;		/* maximum runtime for each instance	*/
 	u64 dl_deadline;	/* relative deadline of each instance	*/

kernel/sched/deadline.c

@@ -520,7 +520,7 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer)
 	 * We need to take care of a possible races here. In fact, the
 	 * task might have changed its scheduling policy to something
 	 * different from SCHED_DEADLINE or changed its reservation
-	 * parameters (through sched_setscheduler()).
+	 * parameters (through sched_setattr()).
 	 */
 	if (!dl_task(p) || dl_se->dl_new)
 		goto unlock;