Disabling swap only prevents major page faults on anonymous memory. You want to avoid all page faults by using mlockall (https://linux.die.net/man/2/mlockall ht

Disabling swap only prevents major page faults on anonymous memory. You want to avoid all page faults by using mlockall (https://linux.die.net/man/2/mlockall https://linux.die.net/man/2/mlockall). At that point swap settings doesn't matter. But yeah, disable swap anyway just in case.