From 73597ffcc20fd9eaddbf5ce13b22e051e28b47e3 Mon Sep 17 00:00:00 2001
From: alc <alc@FreeBSD.org>
Date: Thu, 2 Jan 2003 09:09:27 +0000
Subject: [PATCH] Lock the vm object when performing vm_object_clear_flag().

---
 sys/vm/vm_meter.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sys/vm/vm_meter.c b/sys/vm/vm_meter.c
index d44f5b9ade55..534644cf9673 100644
--- a/sys/vm/vm_meter.c
+++ b/sys/vm/vm_meter.c
@@ -97,8 +97,11 @@ vmtotal(SYSCTL_HANDLER_ARGS)
 	 */
 	GIANT_REQUIRED;
 	mtx_lock(&vm_object_list_mtx);
-	TAILQ_FOREACH(object, &vm_object_list, object_list)
+	TAILQ_FOREACH(object, &vm_object_list, object_list) {
+		vm_object_lock(object);
 		vm_object_clear_flag(object, OBJ_ACTIVE);
+		vm_object_unlock(object);
+	}
 	mtx_unlock(&vm_object_list_mtx);
 	/*
 	 * Calculate process statistics.