bpf_tramp_jit
static int invoke_bpf_prog(struct bpf_tramp_jit *tjit,
static int alloc_stack(struct bpf_tramp_jit *tjit, size_t size)
struct bpf_tramp_jit *tjit,
struct bpf_tramp_jit tjit;
struct bpf_tramp_jit tjit;