pgsql: Improve comments in slru.{c,h} about segment name format

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Improve comments in slru.{c,h} about segment name format
Date: 2024-07-23 07:55:43
Message-ID: E1sWAN5-000pBq-6K@gemulon.postgresql.org
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Improve comments in slru.{c,h} about segment name format

slru.h described incorrectly how SLRU segment names are formatted
depending on the segment number and if long or short segment names are
used. This commit closes the gap with a better description, fitting
with the reality.

Reported-by: Noah Misch
Author: Aleksander Alekseev
Discussion: https://postgr.es/m/20240626002747.dc.nmisch@google.com
Backpatch-through: 17

Branch
------
REL_17_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/3b279d89cb5c86fa7ac6faaebb3ddadb2dbe0ca8

Modified Files
--------------
src/backend/access/transam/slru.c | 15 +++++++++++++++
src/include/access/slru.h | 7 +++----
2 files changed, 18 insertions(+), 4 deletions(-)

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