There is literally no reason to care how much "virtual memory" you're using - pointers are 64-bit after all. (Well, 48 bits.) Exceptions apply on Windows for

There is literally no reason to care how much "virtual memory" you're using - pointers are 64-bit after all. (Well, 48 bits.) Exceptions apply on Windows for reasons I forget, and on watchOS because there isn't enough memory for the page tables for really big VM regions.