pg_ctlcluster: OOM-protect 9.0 as well.

debian/changelog

@@ -22,6 +22,7 @@ postgresql-common (170) UNRELEASED; urgency=medium
     variables when creating the initial database cluster. (Closes: #791526)
   * Add /var/log/postgresql to /usr/lib/tmpfiles.d/postgresql.conf.
   * Also set OOMScoreAdjust in postgresql@.service.
+  * pg_ctlcluster: OOM-protect 9.0 as well.
   * pg_lsclusters: Color online/down clusters green/red.
   * supported-versions: Accept DEB_PG_SUPPORTED_VERSIONS as well.
   * Ship /etc/postgresql/ in postgresql-common. (Closes: #801140)

pg_ctlcluster

@@ -430,9 +430,9 @@ if ($action ne 'stop' && $info{'statstempdir'} && ! -d $info{'statstempdir'}) {
 }
 
 if ($> == 0) {
-    # have postgres start with increased OOM killer protection; 9.1 and
+    # have postgres start with increased OOM killer protection; 9.0 and
     # later has builtin support for resetting the adjustment of child processes
-    if ($action eq 'start' and $version >= '9.1' and not $PgCommon::rpm) {
+    if ($action eq 'start' and $version >= '9.0' and not $PgCommon::rpm) {
         if (-w '/proc/self/oom_score_adj') {
 	    open F, '>/proc/self/oom_score_adj';
 	    print F "-900\n";