Re: Make MemoryContextMemAllocated() more precise

On Thu, Mar 19, 2020 at 2:11 PM Tomas Vondra
<tomas.vondra@2ndquadrant.com> wrote:
> My understanding is that this is really just an accounting issue, where
> allocating a block would get us over the limit, which I suppose might be
> an issue with low work_mem values.

Well, the issue is, if I understand correctly, that this means that
MemoryContextStats() might now report a smaller amount of memory than
what we actually allocated from the operating system. That seems like
it might lead someone trying to figure out where a backend is leaking
memory to erroneous conclusions.

-- 
Robert Haas
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