[tkreuzer] 67787: [NTOSKRNL] Add an MMVAD to the MEMORY_AREA structure, instead of allocating a new one to synchronize with the process VAD tree

Author: tkreuzer
Date: Sat May 16 20:10:41 2015
New Revision: 67787

URL: http://svn.reactos.org/svn/reactos?rev=67787&view=rev
Log:
[NTOSKRNL]
Add an MMVAD to the MEMORY_AREA structure, instead of allocating a new one to synchronize
with the process VAD tree

Modified:
    trunk/reactos/ntoskrnl/include/internal/mm.h
    trunk/reactos/ntoskrnl/mm/marea.c

Modified: trunk/reactos/ntoskrnl/include/internal/mm.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/…
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/mm.h	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/include/internal/mm.h	[iso-8859-1] Sat May 16 20:10:41 2015
@@ -204,6 +204,7 @@
 
 typedef struct _MEMORY_AREA
 {
+    MMVAD VadNode;
     ULONG_PTR StartingVpn;
     ULONG_PTR EndingVpn;
     struct _MEMORY_AREA *Parent;

Modified: trunk/reactos/ntoskrnl/mm/marea.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/marea.c?rev=67…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/marea.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/marea.c	[iso-8859-1] Sat May 16 20:10:41 2015
@@ -384,8 +384,8 @@
         PMMVAD Vad;
 
         ASSERT(marea->Type == MEMORY_AREA_SECTION_VIEW || marea->Type ==
MEMORY_AREA_CACHE);
-        Vad = ExAllocatePoolWithTag(NonPagedPool, sizeof(MMVAD), TAG_MVAD);
-        ASSERT(Vad);
+        Vad = &marea->VadNode;
+
         RtlZeroMemory(Vad, sizeof(MMVAD));
         Vad->StartingVpn = PAGE_ROUND_DOWN(MA_GetStartingAddress(marea)) >>
PAGE_SHIFT;
         /*
@@ -825,7 +825,6 @@
                 MiRemoveNode(MemoryArea->Vad, &Process->VadRoot);
             }
 
-            ExFreePoolWithTag(MemoryArea->Vad, TAG_MVAD);
             MemoryArea->Vad = NULL;
         }
     }