rcu_cpu_kthread_task 2407 kernel/rcu/tree.c t = __this_cpu_read(rcu_data.rcu_cpu_kthread_task); rcu_cpu_kthread_task 2472 kernel/rcu/tree.c .store = &rcu_data.rcu_cpu_kthread_task, rcu_cpu_kthread_task 232 kernel/rcu/tree.h struct task_struct *rcu_cpu_kthread_task; rcu_cpu_kthread_task 1096 kernel/rcu/tree_plugin.h return __this_cpu_read(rcu_data.rcu_cpu_kthread_task) == current;