Re: Reducing the chunk header sizes on all memory context types

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Reducing the chunk header sizes on all memory context types
Date: 2022-08-29 21:57:28
Message-ID: 3407185.1661810248@sss.pgh.pa.us
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David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> I've read over the emails and glanced at Tomas' patch. I think that
> seems good. I think I'd rather see us do that than pad the struct out
> further as Tomas' method is more aligned to what we do in aset.c
> (ALLOC_BLOCKHDRSZ) and generation.c (Generation_BLOCKHDRSZ).

> I can adjust Tomas' patch to #define Slab_BLOCKHDRSZ

WFM

regards, tom lane

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