rb_hammer 5067 kernel/trace/ring_buffer.c struct task_struct *rb_hammer; rb_hammer 5103 kernel/trace/ring_buffer.c rb_hammer = kthread_run(rb_hammer_test, NULL, "rbhammer"); rb_hammer 5104 kernel/trace/ring_buffer.c if (WARN_ON(IS_ERR(rb_hammer))) { rb_hammer 5106 kernel/trace/ring_buffer.c ret = PTR_ERR(rb_hammer); rb_hammer 5127 kernel/trace/ring_buffer.c kthread_stop(rb_hammer);