--- Net2/vm/vm_pageout.c	2018/04/24 18:09:16	1.1.1.2
+++ Net2/vm/vm_pageout.c	2018/04/24 18:14:53	1.1.1.3
@@ -33,7 +33,8 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)vm_pageout.c	7.4 (Berkeley) 5/7/91
+ *	from: @(#)vm_pageout.c	7.4 (Berkeley) 5/7/91
+ *	vm_pageout.c,v 1.4 1993/05/20 03:59:40 cgd Exp
  *
  *
  * Copyright (c) 1987, 1990 Carnegie-Mellon University.
@@ -60,14 +61,6 @@
  *
  * any improvements or extensions that they make and grant Carnegie the
  * rights to redistribute these changes.
- *
- * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
- * --------------------         -----   ----------------------
- * CURRENT PATCH LEVEL:         1       00007
- * --------------------         -----   ----------------------
- *
- * 20 Aug 92	David Greenman		Removed un-necessary call to
- *					swapout_thread
  */
 
 /*
@@ -79,12 +72,15 @@
 #include "vm.h"
 #include "vm_page.h"
 #include "vm_pageout.h"
+#include "vmmeter.h"
 
 int	vm_pages_needed;		/* Event on which pageout daemon sleeps */
 int	vm_pageout_free_min = 0;	/* Stop pageout to wait for pagers at this free level */
 
 int	vm_page_free_min_sanity = 40;
 
+int	vm_page_pagesfreed;		/* Pages freed by page daemon */
+
 /*
  *	vm_pageout_scan does the dirty work for the pageout daemon.
  */
@@ -335,6 +331,7 @@ vm_pageout_scan()
 		page_shortage--;
 	}
 
+	vm_page_pagesfreed += pages_freed;
 	vm_page_unlock_queues();
 }
 
@@ -389,6 +386,7 @@ void vm_pageout()
 	while (TRUE) {
 		thread_sleep((int) &vm_pages_needed, &vm_pages_needed_lock,
 			     FALSE);
+		cnt.v_scan++;
 		vm_pageout_scan();
 		vm_pager_sync();
 		simple_lock(&vm_pages_needed_lock);