Debian packaging: Allow adjustment of maximum locked memory size

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2580 d4fa192b-c00b-0410-8231-f00ffab90ce4

debian/varnish.default

@@ -7,6 +7,11 @@
 # Maximum number of open files (for ulimit -n)
 NFILES=131072
 
+# Maximum locked memory size (for ulimit -l)
+# Used for locking the shared memory log in memory.  If you increase log size,
+# you need to increase this number as well
+MEMLOCK=82000
+
 # Default varnish instance name is the local nodename.  Can be overridden with
 # the -n switch, to have more instances on a single server.
 INSTANCE=$(uname -n)

debian/varnish.init

@@ -34,6 +34,9 @@ fi
 # Open files (usually 1024, which is way too small for varnish)
 ulimit -n ${NFILES:-131072}
 
+# Maxiumum locked memory size for shared memory log
+ulimit -l ${MEMLOCK:-82000}
+
 # If $DAEMON_OPTS is not set at all in /etc/default/varnish, use minimal useful
 # defaults (Backend at localhost:8080, a common place to put a locally
 # installed application server.)