kworker_to_destroy 1086 kernel/sched/psi.c struct kthread_worker *kworker_to_destroy = NULL; kworker_to_destroy 1115 kernel/sched/psi.c kworker_to_destroy = rcu_dereference_protected( kworker_to_destroy 1134 kernel/sched/psi.c if (kworker_to_destroy) { kworker_to_destroy 1144 kernel/sched/psi.c kthread_destroy_worker(kworker_to_destroy);