But desktop processors also don&#x27;t zero pages, do they?<p>And by zeroing pages, you prevent lazy memory allocation policies which do not allocate the pages until they&#x27;re read or written for the first time. This can have a significant impact on memory usage, data locality etc.<p>So I&#x27;m quite skeptical that there is no difference between calloc and malloc. Is there more evidences of this somewhere?