igt_random_offset
offset = igt_random_offset(&prng,
addr = igt_random_offset(prng, addr, min(ce->vm->total, BIT_ULL(48)),
addr = igt_random_offset(prng, addr, addr + align, 8, 8);
offset = igt_random_offset(&prng,
u64 igt_random_offset(struct rnd_state *state,
bytes[0] = igt_random_offset(&prng, 64, PAGE_SIZE - 64, 0, sizeof(u32));
offset = igt_random_offset(&prng, 0, obj->base.size,
dword = igt_random_offset(&prng, offset,
offset = igt_random_offset(&prng, 0, chunk_size, size,