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-rw-r--r--kernel/sched/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8123f8a..123d2ec 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2394,7 +2394,8 @@ static inline void update_migrate_disable(struct task_struct *p)
if (p->sched_class->set_cpus_allowed)
p->sched_class->set_cpus_allowed(p, mask);
- p->nr_cpus_allowed = cpumask_weight(mask);
+ /* mask==cpumask_of(task_cpu(p)) which has a cpumask_weight==1 */
+ p->nr_cpus_allowed = 1;
/* Let migrate_enable know to fix things back up */
p->migrate_disable |= MIGRATE_DISABLE_SET_AFFIN;