On 2020-Oct-26, Michael Paquier wrote:
> Extend PageIsVerified() to handle more custom options
>
> This is useful for checks of relation pages without having to load the
> pages into the shared buffers, and two cases can make use of that: page
> verification in base backups and the online, lock-safe, flavor.
>
> Compatibility is kept with past versions using a macro that calls the
> new extended routine with the set of options compatible with the
> original version.
Please remember that in the macro definition, the arguments should be
enclosed in parens. No bug here at present, but it seems better to be
cautious.