[Midnightbsd-cvs] src [8030] trunk/usr.sbin/watchdogd/watchdogd.c: dont allow watchdogd to be swaped out.

[laffer1 at midnightbsd.org]

Revision: 8030
          http://svnweb.midnightbsd.org/src/?rev=8030
Author:   laffer1
Date:     2016-09-15 16:30:07 -0400 (Thu, 15 Sep 2016)
Log Message:
-----------
dont allow watchdogd to be swaped out. on machines with huge amount of swap and high IO activity

Modified Paths:
--------------
    trunk/usr.sbin/watchdogd/watchdogd.c

Modified: trunk/usr.sbin/watchdogd/watchdogd.c
===================================================================
--- trunk/usr.sbin/watchdogd/watchdogd.c	2016-09-15 20:29:11 UTC (rev 8029)
+++ trunk/usr.sbin/watchdogd/watchdogd.c	2016-09-15 20:30:07 UTC (rev 8030)
@@ -119,6 +119,8 @@
 		pidfile_write(pfh);
 		if (madvise(0, 0, MADV_PROTECT) != 0)
 			warn("madvise failed");
+		if (mlockall(MCL_CURRENT | MCL_FUTURE) != 0)
+			warn("mlockall failed");
 
 		watchdog_loop();