Commit 3d07467b authored Mar 10, 2010 by Peter Zijlstra Committed by Ingo Molnar Mar 11, 2010

sched: Fix pick_next_highest_task_rt() for cgroups



Since pick_next_highest_task_rt() already iterates all the cgroups and
is really only interested in tasks, skip over the !task entries.

Reported-by: Dhaval Giani <dhaval.giani@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Dhaval Giani <dhaval.giani@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent ab3b3aa5

kernel/sched_rt.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -1146,7 +1146,12 @@ static struct task_struct pick_next_highest_task_rt(struct rq rq, int cpu)
		if (next && next->prio < idx)
		continue;
		list_for_each_entry(rt_se, array->queue + idx, run_list) {
		struct task_struct *p = rt_task_of(rt_se);
		struct task_struct *p;

		if (!rt_entity_is_task(rt_se))
		continue;

		p = rt_task_of(rt_se);
		if (pick_rt_task(rq, p, cpu)) {
		next = p;
		break;