[PATCH] sched/deadline: comment update for constrained deadline tasks explanation

[Alessio Balsini]

Remove the adjective "relative" associated to the period of a periodic
task, since the period is an absolute value.

Rephrased the comment with the aim of making it even more clear.

Signed-off-by: Alessio Balsini <alessio.balsini@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>
Cc: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>
Cc: Luca Abeni <luca.abeni@xxxxxxxxxxxxxxx>
Cc: Tommaso Cucinotta <tommaso.cucinotta@xxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 kernel/sched/deadline.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index f349f7e..902b2e0 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -770,9 +770,9 @@ update_dl_revised_wakeup(struct sched_dl_entity *dl_se, struct rq *rq)
 }
 
 /*
- * Regarding the deadline, a task with implicit deadline has a relative
- * deadline == relative period. A task with constrained deadline has a
- * relative deadline <= relative period.
+ * Regarding periodic real-time tasks, a constrained deadline task has the
+ * relative deadline <= period. An implicit deadline task is a particular case
+ * for which the relative deadline == period.
  *
  * We support constrained deadline tasks. However, there are some restrictions
  * applied only for tasks which do not have an implicit deadline. See
-- 
2.7.4