diff options
| -rw-r--r-- | kernel/sched/fair.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index dc685b67d08b..0e3a9935515c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5976,6 +5976,8 @@ static unsigned long capacity_spare_wake(int cpu, struct task_struct *p) /* * find_idlest_group finds and returns the least busy CPU group within the * domain. + * + * Assumes p is allowed on at least one CPU in sd. */ static struct sched_group * find_idlest_group(struct sched_domain *sd, struct task_struct *p, @@ -6136,6 +6138,9 @@ static inline int find_idlest_cpu(struct sched_domain *sd, struct task_struct *p schedstat_inc(this_rq(), eas_stats.cas_attempts); } + if (!cpumask_intersects(sched_domain_span(sd), &p->cpus_allowed)) + return prev_cpu; + while (sd) { struct sched_group *group; struct sched_domain *tmp; |