bpf_prog_array_alloc
struct bpf_prog_array *bpf_prog_array_alloc(u32 prog_cnt, gfp_t flags);
progs = bpf_prog_array_alloc(cnt, GFP_KERNEL);
array = bpf_prog_array_alloc(new_prog_cnt + 1, GFP_KERNEL);
new_array = bpf_prog_array_alloc(cnt, GFP_KERNEL);
run_array = bpf_prog_array_alloc(1, GFP_KERNEL);
run_array = bpf_prog_array_alloc(cnt + 1, GFP_KERNEL);
progs = bpf_prog_array_alloc(1, GFP_KERNEL);