From 095e56c7036fe97bc3ebcd80ed6e121be0847656 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 24 Aug 2007 20:39:10 +0200
Subject: [PATCH] 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>
---
 kernel/sched_fair.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index c078f1af721cb..4d6b7e2df2aa7 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1047,7 +1047,7 @@ static void task_new_fair(struct rq *rq, struct task_struct *p)
 	 * -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);
 }
-- 
2.30.2