"Heikki Linnakangas" <heikki@enterprisedb.com> writes:
> ITAGAKI Takahiro wrote:
>> Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> I'm thinking that having a pin on the buffer should be enough to
>>> call PageGetHeapFreeSpace.
>>
>> Hmm... we might use pd_upper and pd_lower at different times,
> No I think the original patch was right. You can indeed read
> inconsistent values for pd_upper and pd_lower, though the window is very
> small.
Good point. I'll apply the original patch and also Heikki's suggested
comment.
regards, tom lane
