static void ringbuf_map_free(struct bpf_map *map)
{
	struct bpf_ringbuf_map *rb_map;

	rb_map = container_of(map, struct bpf_ringbuf_map, map);
	bpf_ringbuf_free(rb_map->rb);
	kfree(rb_map);
}
static void ringbuf_map_free(struct bpf_map *map)
{
	struct bpf_ringbuf_map *rb_map;

	rb_map = container_of(map, struct bpf_ringbuf_map, map);
	bpf_ringbuf_free(rb_map->rb);
	kfree(rb_map);
}