A must read would be "What Every Programmer Should Know About Memory"[1], Section 4 covers Virtual Memory.

[1] https://people.freebsd.org/~lstewart/articles/cpumemory.pdf

Background : Operating Systems: 3 easy pieces

ISA/OS level: Architectural and Operating System Support for Virtual Memory

(Both are books)

We can only hope the parent comment indeed knows a better source or even what he is talking about. Let give him the benefit of the doubt and assume that the shortness of his comment derives from a lack of time and not from a lack of knowledge.