[bsdetector]

> if running without swap and there exists any ram which is accessed less commonly than the next-most-commonly-accessed area of disk currently not in cache, the memory utilization is suboptimal.

Memory that is swapped out is a small write operation, which generally is much more resource and wear intensive than a read; a program memory page and disk cache page are not equivalent.

Additionally, the swapped out program memory may be required again and cause an unpredictable delay in program operation; when a user has to wait for a menu to open while it is swapped back in that is suboptimal use of memory.

A modern operating system should have compressed memory rather than swap. Take the pages that would be swapped out for being rarely accessed, if they compress well then free the page and store it in an area for compressed pages. This will get most of the expanded cache benefit from swap without delays, wear, or possibility of the system grinding to a halt.