sched, nohz: Set the NOHZ_BALANCE_KICK flag for idle load balancer

Intention is to set the NOHZ_BALANCE_KICK flag for the 'ilb_cpu'. Not
for the 'cpu' which is the local cpu. Fix the typo.

Reported-by: Srivatsa Vaddagiri <[email protected]>
Signed-off-by: Suresh Siddha <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8be45edca41a4d5b7d4b6d73f436ff68e355055e..6482136f89914518ec544ff90f95516d7987652f 100644 (file)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4853,7 +4853,7 @@ static void nohz_balancer_kick(int cpu)
        if (ilb_cpu >= nr_cpu_ids)
                return;
 
-       if (test_and_set_bit(NOHZ_BALANCE_KICK, nohz_flags(cpu)))
+       if (test_and_set_bit(NOHZ_BALANCE_KICK, nohz_flags(ilb_cpu)))
                return;
        /*
         * Use smp_send_reschedule() instead of resched_cpu().