bpf_list_node_kern
static int __bpf_list_add(struct bpf_list_node_kern *node,
struct bpf_list_node_kern *n = (void *)node;
struct bpf_list_node_kern *n = (void *)node;
struct bpf_list_node_kern *node;
node = container_of(n, struct bpf_list_node_kern, list_head);