my_data 40 samples/kprobes/kretprobe_example.c struct my_data *data; my_data 45 samples/kprobes/kretprobe_example.c data = (struct my_data *)ri->data; my_data 58 samples/kprobes/kretprobe_example.c struct my_data *data = (struct my_data *)ri->data; my_data 72 samples/kprobes/kretprobe_example.c .data_size = sizeof(struct my_data),