PERFORCE change 182037 for review

[Edward Tomasz Napierala]

http://p4web.freebsd.org/@@182037?ac=10

Change 182037 by trasz at trasz_victim on 2010/08/07 16:53:34

	When containers are enabled, run pagedaemon at least every second
	to recompute RSS.

Affected files ...

.. //depot/projects/soc2009/trasz_limits/TODO#25 edit
.. //depot/projects/soc2009/trasz_limits/sys/vm/vm_pageout.c#12 edit

Differences ...

==== //depot/projects/soc2009/trasz_limits/TODO#25 (text+ko) ====

@@ -62,8 +62,6 @@
    container mechanism.  This is a part of HRL, and it's outside the scope
    of the containers project.  This means the code is full of "#ifdef CONTAINERS".
 
- - RSS is accounted for only when pagedaemon is running, i.e. when memory shortage occurs.
-
  - Don't account resources for system processes.  It's not as easy as checking
    for P_SYSTEM flag, as the flag will be set for AIO kernel processes.
 

==== //depot/projects/soc2009/trasz_limits/sys/vm/vm_pageout.c#12 (text+ko) ====

@@ -1627,7 +1627,11 @@
 
 	while (TRUE) {
 		mtx_lock(&vm_daemon_mtx);
+#ifdef CONTAINERS
+		msleep(&vm_daemon_needed, &vm_daemon_mtx, PPAUSE, "psleep", hz);
+#else
 		msleep(&vm_daemon_needed, &vm_daemon_mtx, PPAUSE, "psleep", 0);
+#endif
 		swapout_flags = vm_pageout_req_swapout;
 		vm_pageout_req_swapout = 0;
 		mtx_unlock(&vm_daemon_mtx);