Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> Since I am not storing any pointers, and since the information is only
> really a hint, I don't need to do any locking on that page.
If you think that, you need not bother to submit the patch. (Hint:
as soon as you consider more than one table at a time, it doesn't work,
even ignoring the question of inconsistent reads.)
regards, tom lane