Re: btvacuumpage useless "orig_blkno"

On Mon, Nov 21, 2011 at 10:03 PM, Alvaro Herrera
<alvherre@alvh.no-ip.org> wrote:
> I just noticed that btvacuumpage has two BlockNumber parameters -- blkno
> and orig_blkno.  The only caller passes them as the same value; the
> header comments state that blkno would be different when recursing, but
> actually the function implements recursion internally by way of a cute
> "goto" trick.  So it seems to me that the orig_blkno parameter is
> useless -- we could just remove it.
>
> Unless I'm completely missing something?

tail recursion - read comments at bottom of the function

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