[patch] patch to increase the memory lock limit

rlimit-memlock.patch (text/plain), 736 bytes, created by Christoph Gysin on 2005-08-14 13:23:28 UTC

--- ntp-stable-4.2.0a-20040617/ntpd/ntpd.c.0	2005-06-14 12:02:43.000000000 -0400
+++ ntp-stable-4.2.0a-20040617/ntpd/ntpd.c	2005-06-15 12:12:13.253809589 -0400
@@ -691,6 +691,16 @@
 				"Cannot adjust stack limit for mlockall: %m");
 		    }
 	    }
+	    /*
+	     * The default RLIMIT_MEMLOCK is very low on Linux systems.
+	     * Unless we increase this limit malloc calls are likely to
+	     * fail if we drop root privlege.  To be useful the value
+	     * has to be larger than the largest ntpd resident set size.
+	     */
+	    rl.rlim_cur = rl.rlim_max = 32*1024*1024;
+	    if (setrlimit(RLIMIT_MEMLOCK, &rl) == -1) {
+	    	msyslog(LOG_ERR, "Cannot set RLIMIT_MEMLOCK: %m");
+	    }
 	}
 # endif /* HAVE_SETRLIMIT */
 	/*