From 85c2fc1bcdf8acb430ab04d46865f3e57dee5d01 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Fri, 26 Jun 2015 11:02:40 +0000
Subject: [PATCH] [NTOS:MM] - Do not request a page in MiAllocatePagesForMdl if
 no pages are available. Fixes kmtest:MmMdl. CORE-9879 #resolve

svn path=/trunk/; revision=68274
---
 reactos/ntoskrnl/mm/freelist.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/mm/freelist.c b/reactos/ntoskrnl/mm/freelist.c
index 00120541c18..849b56788bd 100644
--- a/reactos/ntoskrnl/mm/freelist.c
+++ b/reactos/ntoskrnl/mm/freelist.c
@@ -232,7 +232,12 @@ MiAllocatePagesForMdl(IN PHYSICAL_ADDRESS LowAddress,
             /* Grab a page */
             MI_SET_USAGE(MI_USAGE_MDL);
             MI_SET_PROCESS2("Kernel");
-            Page = MiRemoveAnyPage(0);
+
+            /* FIXME: This check should be smarter */
+            Page = 0;
+            if (MmAvailablePages != 0)
+                Page = MiRemoveAnyPage(0);
+
             if (Page == 0)
             {
                 /* This is not good... hopefully we have at least SOME pages */