Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> writes:
> ... There may be ways to fix the dsm_resize() path
> based on the observation that you don't need to fallocate() if you
> made the mapping smaller, and if you made it bigger then you could
> always undo that on error (or not) and you haven't thrown away any
> data. Hmm... I note that there are actually no callers of
> dsm_resize(), and it's not implemented on Windows or SystemV.
Why would we fix it rather than just removing it?
regards, tom lane