nat data_size_in_words, total_size_in_words;
/* round up to a whole number of words */
- data_size_in_words = (size_in_bytes + sizeof(W_) + 1) / sizeof(W_);
+ data_size_in_words = ROUNDUP_BYTES_TO_WDS(size_in_bytes);
total_size_in_words = sizeofW(StgArrWords) + data_size_in_words;
/* allocate and fill it in */