Commit 095e56c7 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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: default avatarIngo Molnar <mingo@elte.hu>
parent ea0aa3b2

kernel/sched_fair.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

}