Gavin Sherry <[EMAIL PROTECTED]> writes:
> I've been looking through the memory management system today.

> When a request is made for a memory memory chunk larger than
> ALLOC_CHUNK_LIMIT, AllocSetAlloc() uses malloc() to give the request its
> own block. The result is tested by AllocSetAlloc() to see if the memory
> was allocated.

> Irrespective of this, a chunk can be returned which has not had memory
> allocated to it. There is no testing of the return status of
> palloc() through out the code. 

What's your point?

palloc() does not have the same specification as malloc.  It guarantees
to return allocated memory, or elog trying.

                        regards, tom lane

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