From 1720b8788dc32e6f7979f67595dcf75b71b9b85f Mon Sep 17 00:00:00 2001
From: Cheng Zhang <cheng.zhang@citrix.com>
Date: Wed, 15 Jul 2015 15:24:03 +0800
Subject: [PATCH] CA-149851: Show hyphen if used memory have negative value

Signed-off-by: Cheng Zhang <cheng.zhang@citrix.com>
---
 XenModel/XenSearch/PropertyAccessorHelper.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/XenModel/XenSearch/PropertyAccessorHelper.cs b/XenModel/XenSearch/PropertyAccessorHelper.cs
index ad68939fd..336c61f84 100644
--- a/XenModel/XenSearch/PropertyAccessorHelper.cs
+++ b/XenModel/XenSearch/PropertyAccessorHelper.cs
@@ -103,7 +103,7 @@ namespace XenAdmin.XenSearch
             double free = MetricUpdater.GetValue(vm, "memory_internal_free");
             double total = MetricUpdater.GetValue(vm, "memory");
 
-            if (total == 0 || Double.IsNaN(total) || Double.IsNaN(free))
+            if (total == 0 || Double.IsNaN(total) || Double.IsNaN(free) || total < (free * Util.BINARY_KILO))
                 return Messages.HYPHEN;
 
             return String.Format(Messages.QUERY_MEMORY_USAGE, Util.MemorySizeStringWithoutUnits((total - (free * Util.BINARY_KILO))), Util.MemorySizeString(total));