sched: debug: fix sum_exec_runtime clearing

when cleaning sched-stats also clear prev_sum_exec_runtime.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index ab18f45f2ab2..c3ee38bd3426 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -283,4 +283,5 @@ void proc_sched_set_task(struct task_struct *p)
         p->se.wait_runtime_overruns = p->se.wait_runtime_underruns = 0;
 #endif
         p->se.sum_exec_runtime = 0;
+        p->se.prev_sum_exec_runtime     = 0;
 }