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Re: Reducing the chunk header sizes on all memory context types - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Reducing the chunk header sizes on all memory context types
Date
Msg-id 292510.1662005961@sss.pgh.pa.us
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In response to Re: Reducing the chunk header sizes on all memory context types  (David Rowley <dgrowleyml@gmail.com>)
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David Rowley <dgrowleyml@gmail.com> writes:
> On Thu, 1 Sept 2022 at 16:06, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> It doesn't seem to be fixing any live bug in the back branches,
>> but by the same token it's harmless.

> I considered that an extension might use the Slab allocator with a
> non-MAXALIGNED chunksize and might run into some troubles during
> SlabCheck().

Oh, yeah, the sentinel_ok() change is a live bug.  Extensions
have no control over sizeof(SlabBlock) though.

            regards, tom lane

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