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-rw-r--r--kernel/sched/fair.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 210fdfe78..12a1bc40b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4902,6 +4902,10 @@ find_idlest_cpu(struct sched_group *group, struct task_struct *p, int this_cpu)
int idlest = -1;
int i;
+ /* Check if we have any choice: */
+ if (group->group_weight == 1)
+ return cpumask_first(sched_group_cpus(group));
+
/* Traverse only the allowed CPUs */
for_each_cpu_and(i, sched_group_cpus(group), tsk_cpus_allowed(p)) {
load = weighted_cpuload(i);