From 2c91e13013414cf77bb8026a19a926e08f4e9e7a Mon Sep 17 00:00:00 2001
From: Alexander Korotkov <akorotkov@postgresql.org>
Date: Wed, 3 Apr 2024 02:55:03 +0300
Subject: [PATCH] Move WaitLSNShmemInit() to CreateOrAttachShmemStructs()

Thanks to Andres Freund, Thomas Munrom and David Rowley for investigating
this issue.

Discussion: https://postgr.es/m/CAPpHfdvap5mMLikt8CUjA0osAvCJHT0qnYeR3f84EJ_Kvse0mg%40mail.gmail.com
---
 src/backend/storage/ipc/ipci.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/backend/storage/ipc/ipci.c b/src/backend/storage/ipc/ipci.c
index 5aed90c935..90c84fec27 100644
--- a/src/backend/storage/ipc/ipci.c
+++ b/src/backend/storage/ipc/ipci.c
@@ -246,11 +246,6 @@ CreateSharedMemoryAndSemaphores(void)
 	/* Initialize subsystems */
 	CreateOrAttachShmemStructs();
 
-	/*
-	 * Init array of Latches in shared memory for wait lsn
-	 */
-	WaitLSNShmemInit();
-
 #ifdef EXEC_BACKEND
 
 	/*
@@ -364,6 +359,7 @@ CreateOrAttachShmemStructs(void)
 	StatsShmemInit();
 	WaitEventExtensionShmemInit();
 	InjectionPointShmemInit();
+	WaitLSNShmemInit();
 }
 
 /*