Re: Memory management, palloc

Gavin Sherry <swm(at)linuxworld(dot)com(dot)au> 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