Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> Made some tweaks and pushed (added comments to new functions, ensure
> that we never try to palloc(0), renamed DropRelFileNodeAllBuffers to
> plural, made the "use bsearch" logic a bit simpler).
FWIW, there's nothing particularly wrong with palloc(0) ...
regards, tom lane