sched: Fix leftover comment typos

A few more snuck in. Also capitalize 'CPU' while at it.
Signed-off-by: NIngo Molnar <mingo@kernel.org>

include/linux/sched_clock.h

@@ -14,7 +14,7 @@
  * @sched_clock_mask:   Bitmask for two's complement subtraction of non 64bit
  *			clocks.
  * @read_sched_clock:	Current clock source (or dummy source when suspended).
- * @mult:		Multipler for scaled math conversion.
+ * @mult:		Multiplier for scaled math conversion.
  * @shift:		Shift value for scaled math conversion.
  *
  * Care must be taken when updating this structure; it is read by

kernel/sched/core.c

@@ -5506,7 +5506,7 @@ pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
 	}
 
 	/*
-	 * Try and select tasks for each sibling in decending sched_class
+	 * Try and select tasks for each sibling in descending sched_class
 	 * order.
 	 */
 	for_each_class(class) {
@@ -5520,7 +5520,7 @@ pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
 
 			/*
 			 * If this sibling doesn't yet have a suitable task to
-			 * run; ask for the most elegible task, given the
+			 * run; ask for the most eligible task, given the
 			 * highest priority task already selected for this
 			 * core.
 			 */

kernel/sched/fair.c

@@ -10808,11 +10808,11 @@ static inline void task_tick_core(struct rq *rq, struct task_struct *curr)
 	 * sched_slice() considers only this active rq and it gets the
 	 * whole slice. But during force idle, we have siblings acting
 	 * like a single runqueue and hence we need to consider runnable
-	 * tasks on this cpu and the forced idle cpu. Ideally, we should
+	 * tasks on this CPU and the forced idle CPU. Ideally, we should
 	 * go through the forced idle rq, but that would be a perf hit.
-	 * We can assume that the forced idle cpu has atleast
+	 * We can assume that the forced idle CPU has at least
 	 * MIN_NR_TASKS_DURING_FORCEIDLE - 1 tasks and use that to check
-	 * if we need to give up the cpu.
+	 * if we need to give up the CPU.
 	 */
 	if (rq->core->core_forceidle && rq->cfs.nr_running == 1 &&
 	    __entity_slice_used(&curr->se, MIN_NR_TASKS_DURING_FORCEIDLE))