From 095e56c7036fe97bc3ebcd80ed6e121be0847656 Mon Sep 17 00:00:00 2001 From: Ingo Molnar 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 --- 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 c078f1af721c..4d6b7e2df2aa 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); } -- 2.20.1