sched: no need to aggregate task_weight

We only need to know the task_weight of the busiest rq - nothing to do
if there are no tasks there.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Cc: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index b10c0d61a2a9..03b9fbd9d648 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1427,7 +1427,7 @@ load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
                 /*
                  * empty group
                  */
-                if (!aggregate(tg, this_cpu)->task_weight)
+                if (!tg->cfs_rq[busiest_cpu]->task_weight)
                         continue;
 
                 rem_load = rem_load_move * aggregate(tg, this_cpu)->rq_weight;