sched: fix startup penalty calculation
fix task startup penalty miscalculation: sysctl_sched_granularity is
unsigned int and wait_runtime is long so we first have to convert it
to long before turning it negative ...
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index c078f1a..4d6b7e2 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1047,7 +1047,7 @@
* -granularity/2, so initialize the task with that:
*/
if (sysctl_sched_features & SCHED_FEAT_START_DEBIT)
- p->se.wait_runtime = -(sysctl_sched_granularity / 2);
+ p->se.wait_runtime = -((long)sysctl_sched_granularity / 2);
__enqueue_entity(cfs_rq, se);
}