From 276096bb3e7a62042fd7b9b44aff4023580f663c Mon Sep 17 00:00:00 2001
From: Ruslan Ermilov <ru@FreeBSD.org>
Date: Mon, 20 Nov 2006 00:16:00 +0000
Subject: [PATCH] When counting vm totals, skip unreferenced objects, including
 vnodes representing mounted file systems.

Reviewed by:	alc
MFC after:	3 days
---
 sys/vm/vm_meter.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/vm/vm_meter.c b/sys/vm/vm_meter.c
index 709f9b57be8..7d9dd963032 100644
--- a/sys/vm/vm_meter.c
+++ b/sys/vm/vm_meter.c
@@ -212,6 +212,13 @@ vmtotal(SYSCTL_HANDLER_ARGS)
 			 */
 			continue;
 		}
+		if (object->ref_count == 0) {
+			/*
+			 * Also skip unreferenced objects, including
+			 * vnodes representing mounted file systems.
+			 */
+			continue;
+		}
 		totalp->t_vm += object->size;
 		totalp->t_rm += object->resident_page_count;
 		if (object->flags & OBJ_ACTIVE) {