On Tue, 12 Oct 2021 at 16:14, Bruce Momjian <bruce@momjian.us> wrote:
Well, how do you detect an all-zero page vs a page that encrypted to all zeros?
Page encrypting to all zeros is for all practical purposes impossible to hit. Basically an attacker would have to be able to arbitrarily set the whole contents of the page and they would then achieve that this page gets ignored.