Author: zont
Date: Tue Aug 28 08:38:53 2012
New Revision: 239769
URL: http://svn.freebsd.org/changeset/base/239769
Log:
- Don't allow watchdogd(8) to be swapped out.
On machines with huge amount of swap and high IO activity,
watchdogd(8) may wait for a swap memory longer than timeout and
sometimes fires.
Approved by: kib (mentor)
MFC after: 1 week
Modified:
head/usr.sbin/watchdogd/watchdogd.c
Modified: head/usr.sbin/watchdogd/watchdogd.c
==============================================================================
--- head/usr.sbin/watchdogd/watchdogd.c Tue Aug 28 06:52:00 2012
(r239768)
+++ head/usr.sbin/watchdogd/watchdogd.c Tue Aug 28 08:38:53 2012
(r239769)
@@ -118,6 +118,8 @@ main(int argc, char *argv[])
pidfile_write(pfh);
if (madvise(0, 0, MADV_PROTECT) != 0)
warn("madvise failed");
+ if (mlockall(MCL_FUTURE) != 0)
+ warn("mlockall failed");
watchdog_loop();
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