> Modern CPUs have the ability to arbitrarily (generally at a 4kB granularity) map memory addresses as visible to a program to physical RAM addresses While tru

> Modern CPUs have the ability to arbitrarily (generally at a 4kB granularity) map memory addresses as visible to a program to physical RAM addresses While true and exceptionally powerful TLBs are limited in size and, being essentially a hash table put in to your CPU by either Intel and AMD, are likely optimised for common-case mapping patterns. Of course, these penalties still pale in comparison to disk I/O... but kind of a downer if you're dreaming of something crazy like a linked list where every node lives in a separate random page.