Module Name:    src
Committed By:   pooka
Date:           Tue Jun  2 14:07:48 UTC 2015

Modified Files:
        src/sys/rump/librump/rumpkern: vm.c

Log Message:
In case pagedaemon can't release any more memory, use kpause() instead
of cv_timedwait() on the pagedaemon condvar -- it's no use constantly
waking the pagedaemon up for new memory allocation attempts, as will
happen e.g. if new network connections are constantly pouring in.


To generate a diff of this commit:
cvs rdiff -u -r1.166 -r1.167 src/sys/rump/librump/rumpkern/vm.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/rump/librump/rumpkern/vm.c
diff -u src/sys/rump/librump/rumpkern/vm.c:1.166 src/sys/rump/librump/rumpkern/vm.c:1.167
--- src/sys/rump/librump/rumpkern/vm.c:1.166	Sat Apr 18 15:49:18 2015
+++ src/sys/rump/librump/rumpkern/vm.c	Tue Jun  2 14:07:48 2015
@@ -1,4 +1,4 @@
-/*	$NetBSD: vm.c,v 1.166 2015/04/18 15:49:18 pooka Exp $	*/
+/*	$NetBSD: vm.c,v 1.167 2015/06/02 14:07:48 pooka Exp $	*/
 
 /*
  * Copyright (c) 2007-2011 Antti Kantee.  All Rights Reserved.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.166 2015/04/18 15:49:18 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.167 2015/06/02 14:07:48 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -1176,7 +1176,7 @@ uvm_pageout(void *arg)
 		    uvmexp.paging == 0) {
 			rumpuser_dprintf("pagedaemoness: failed to reclaim "
 			    "memory ... sleeping (deadlock?)\n");
-			cv_timedwait(&pdaemoncv, &pdaemonmtx, hz);
+			kpause("pddlk", false, hz, &pdaemonmtx);
 		}
 	}
 

Reply via email to