bpf_kfunc_call_test_get_rdonly_mem
p = bpf_kfunc_call_test_get_rdonly_mem(pt, not_const_size); /* non const size, -EINVAL */
p = bpf_kfunc_call_test_get_rdonly_mem(pt, 2 * sizeof(int));
p = bpf_kfunc_call_test_get_rdonly_mem(pt, 2 * sizeof(int));
p = bpf_kfunc_call_test_get_rdonly_mem(pt, 2 * sizeof(int));
BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdonly_mem, KF_RET_NULL)
int *bpf_kfunc_call_test_get_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;