1 files changed, 7 insertions, 50 deletions
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
index 0805398e24d..25867c8bd5b 100644
--- a/src/backend/utils/init/postinit.c
+++ b/src/backend/utils/init/postinit.c
@@ -580,57 +580,14 @@ InitializeMaxBackends(void)
 	MaxBackends = MaxConnections + autovacuum_max_workers + 1 +
 		max_worker_processes + max_wal_senders;
 
-	/* internal error because the values were all checked previously */
 	if (MaxBackends > MAX_BACKENDS)
-		elog(ERROR, "too many backends configured");
-}
-
-/*
- * GUC check_hook for max_connections
- */
-bool
-check_max_connections(int *newval, void **extra, GucSource source)
-{
-	if (*newval + autovacuum_max_workers + 1 +
-		max_worker_processes + max_wal_senders > MAX_BACKENDS)
-		return false;
-	return true;
-}
-
-/*
- * GUC check_hook for autovacuum_max_workers
- */
-bool
-check_autovacuum_max_workers(int *newval, void **extra, GucSource source)
-{
-	if (MaxConnections + *newval + 1 +
-		max_worker_processes + max_wal_senders > MAX_BACKENDS)
-		return false;
-	return true;
-}
-
-/*
- * GUC check_hook for max_worker_processes
- */
-bool
-check_max_worker_processes(int *newval, void **extra, GucSource source)
-{
-	if (MaxConnections + autovacuum_max_workers + 1 +
-		*newval + max_wal_senders > MAX_BACKENDS)
-		return false;
-	return true;
-}
-
-/*
- * GUC check_hook for max_wal_senders
- */
-bool
-check_max_wal_senders(int *newval, void **extra, GucSource source)
-{
-	if (MaxConnections + autovacuum_max_workers + 1 +
-		max_worker_processes + *newval > MAX_BACKENDS)
-		return false;
-	return true;
+		ereport(ERROR,
+				(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+				 errmsg("too many server processes configured"),
+				 errdetail("\"max_connections\" (%d) plus \"autovacuum_max_workers\" (%d) plus \"max_worker_processes\" (%d) plus \"max_wal_senders\" (%d) must be less than %d.",
+						   MaxConnections, autovacuum_max_workers,
+						   max_worker_processes, max_wal_senders,
+						   MAX_BACKENDS)));
 }
 
 /*