ZS_HANDLE_SIZE
off += ZS_HANDLE_SIZE;
off += ZS_HANDLE_SIZE;
off += ZS_HANDLE_SIZE;
off += ZS_HANDLE_SIZE;
size += ZS_HANDLE_SIZE;
huge_class_size -= (ZS_HANDLE_SIZE - 1);
handle_cachep = kmem_cache_create("zs_handle", ZS_HANDLE_SIZE,