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-rw-r--r--src/backend/postmaster/postmaster.c10
-rw-r--r--src/backend/utils/init/postinit.c5
2 files changed, 6 insertions, 9 deletions
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index dc4afdd75ae..ac0ec0986a2 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -1014,10 +1014,8 @@ PostmasterMain(int argc, char *argv[])
LocalProcessControlFile(false);
/*
- * Register the apply launcher. Since it registers a background worker,
- * it needs to be called before InitializeMaxBackends(), and it's probably
- * a good idea to call it before any modules had chance to take the
- * background worker slots.
+ * Register the apply launcher. It's probably a good idea to call this
+ * before any modules had a chance to take the background worker slots.
*/
ApplyLauncherRegister();
@@ -1038,8 +1036,8 @@ PostmasterMain(int argc, char *argv[])
#endif
/*
- * Now that loadable modules have had their chance to register background
- * workers, calculate MaxBackends.
+ * Now that loadable modules have had their chance to alter any GUCs,
+ * calculate MaxBackends.
*/
InitializeMaxBackends();
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
index d046caabd7d..cd7c829ff5d 100644
--- a/src/backend/utils/init/postinit.c
+++ b/src/backend/utils/init/postinit.c
@@ -483,9 +483,8 @@ pg_split_opts(char **argv, int *argcp, const char *optstr)
/*
* Initialize MaxBackends value from config options.
*
- * This must be called after modules have had the chance to register background
- * workers in shared_preload_libraries, and before shared memory size is
- * determined.
+ * This must be called after modules have had the chance to alter GUCs in
+ * shared_preload_libraries and before shared memory size is determined.
*
* Note that in EXEC_BACKEND environment, the value is passed down from
* postmaster to subprocesses via BackendParameters in SubPostmasterMain; only