I wrote:
> Another possible answer is to change the minimum to be just 64K always.
> I'm not certain that it's really sensible to tie the minimum work_mem to
> BLCKSZ --- I don't think we do anything where work_mem is controlling a
> pool of page buffers, do we?
I've committed this change in HEAD. There's no desire to back-patch it
is there?
regards, tom lane