[PATCH] sched,psi: fix typo in comment

[Xie XiuQi]

s/exceution/execution/
s/possibe/possible/
s/manupulations/manipulations/

Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx>
---
 kernel/sched/psi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index 967732c0766c..7c800be47c6f 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -59,7 +59,7 @@
  * states, we would have to conclude a CPU SOME pressure number of
  * 100%, since *somebody* is waiting on a runqueue at all
  * times. However, that is clearly not the amount of contention the
- * workload is experiencing: only one out of 256 possible exceution
+ * workload is experiencing: only one out of 256 possible execution
  * threads will be contended at any given time, or about 0.4%.
  *
  * Conversely, consider a scenario of 4 tasks and 4 CPUs where at any
@@ -73,7 +73,7 @@
  * we have to base our calculation on the number of non-idle tasks in
  * conjunction with the number of available CPUs, which is the number
  * of potential execution threads. SOME becomes then the proportion of
- * delayed tasks to possibe threads, and FULL is the share of possible
+ * delayed tasks to possible threads, and FULL is the share of possible
  * threads that are unproductive due to delays:
  *
  *	threads = min(nr_nonidle_tasks, nr_cpus)
@@ -441,7 +441,8 @@ static void psi_avgs_work(struct work_struct *work)
 	mutex_unlock(&group->avgs_lock);
 }
 
-/* Trigger tracking window manupulations */
+/* Trigger tracking window manipulations */
+
 static void window_reset(struct psi_window *win, u64 now, u64 value,
 			 u64 prev_growth)
 {
-- 
2.25.1