diff --git a/reactos/ntoskrnl/cc/view.c b/reactos/ntoskrnl/cc/view.c
index 43ebc3689f0..c38e7742698 100644
--- a/reactos/ntoskrnl/cc/view.c
+++ b/reactos/ntoskrnl/cc/view.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: view.c,v 1.58 2003/02/18 22:06:53 chorns Exp $
+/* $Id: view.c,v 1.59 2003/05/17 15:27:34 ekohl Exp $
  *
  * PROJECT:         ReactOS kernel
  * FILE:            ntoskrnl/cc/view.c
@@ -543,6 +543,7 @@ CcRosCreateCacheSegment(PBCB Bcb,
 			      Bcb->CacheSegmentSize,
 			      PAGE_READWRITE,
 			      (PMEMORY_AREA*)&current->MemoryArea,
+			      FALSE,
 			      FALSE);
   MmUnlockAddressSpace(MmGetKernelAddressSpace());
   if (!NT_SUCCESS(Status))
diff --git a/reactos/ntoskrnl/include/internal/mm.h b/reactos/ntoskrnl/include/internal/mm.h
index dc5ca209ca7..138398418dd 100644
--- a/reactos/ntoskrnl/include/internal/mm.h
+++ b/reactos/ntoskrnl/include/internal/mm.h
@@ -126,7 +126,7 @@ typedef struct
   union
   {
     struct
-    {	     
+    {
       SECTION_OBJECT* Section;
       ULONG ViewOffset;
       LIST_ENTRY ViewListEntry;
@@ -169,7 +169,8 @@ NTSTATUS MmCreateMemoryArea(struct _EPROCESS* Process,
 			    ULONG Length,
 			    ULONG Attributes,
 			    MEMORY_AREA** Result,
-			    BOOL FixedAddress);
+			    BOOL FixedAddress,
+			    BOOL TopDown);
 MEMORY_AREA* MmOpenMemoryAreaByAddress(PMADDRESS_SPACE AddressSpace, 
 				       PVOID Address);
 NTSTATUS MmInitMemoryAreas(VOID);
@@ -289,7 +290,7 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
 MEMORY_AREA* MmOpenMemoryAreaByRegion(PMADDRESS_SPACE AddressSpace, 
 				      PVOID Address,
 				      ULONG Length);
-PVOID MmFindGap(PMADDRESS_SPACE AddressSpace, ULONG Length);
+PVOID MmFindGap(PMADDRESS_SPACE AddressSpace, ULONG Length, BOOL TopDown);
 VOID ExUnmapPage(PVOID Addr);
 PVOID ExAllocatePage(VOID);
 
diff --git a/reactos/ntoskrnl/ke/kthread.c b/reactos/ntoskrnl/ke/kthread.c
index ba1007586e3..a4806771f35 100644
--- a/reactos/ntoskrnl/ke/kthread.c
+++ b/reactos/ntoskrnl/ke/kthread.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: kthread.c,v 1.36 2003/04/06 10:45:16 chorns Exp $
+/* $Id: kthread.c,v 1.37 2003/05/17 15:28:06 ekohl Exp $
  *
  * FILE:            ntoskrnl/ke/kthread.c
  * PURPOSE:         Microkernel thread support
@@ -106,6 +106,7 @@ KeInitializeThread(PKPROCESS Process, PKTHREAD Thread, BOOLEAN First)
 				  MM_STACK_SIZE,
 				  0,
 				  &StackArea,
+				  FALSE,
 				  FALSE);
       MmUnlockAddressSpace(MmGetKernelAddressSpace());
       
diff --git a/reactos/ntoskrnl/mm/anonmem.c b/reactos/ntoskrnl/mm/anonmem.c
index b9a7005ab7d..babac7e1098 100644
--- a/reactos/ntoskrnl/mm/anonmem.c
+++ b/reactos/ntoskrnl/mm/anonmem.c
@@ -16,14 +16,14 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: anonmem.c,v 1.12 2003/04/28 10:37:39 gvg Exp $
+/* $Id: anonmem.c,v 1.13 2003/05/17 15:28:58 ekohl Exp $
  *
  * PROJECT:     ReactOS kernel
  * FILE:        ntoskrnl/mm/anonmem.c
  * PURPOSE:     Implementing anonymous memory.
  * PROGRAMMER:  David Welch
  */
- 
+
 /* INCLUDE *****************************************************************/
 
 #include <ddk/ntddk.h>
@@ -624,8 +624,8 @@ NtAllocateVirtualMemory(IN	HANDLE	ProcessHandle,
 			       RegionSize,
 			       Protect,
 			       &MemoryArea,
-			       PBaseAddress != 0);
-   
+			       PBaseAddress != 0,
+			       (AllocationType & MEM_TOP_DOWN));
    if (!NT_SUCCESS(Status))
      {
 	MmUnlockAddressSpace(AddressSpace);
diff --git a/reactos/ntoskrnl/mm/cont.c b/reactos/ntoskrnl/mm/cont.c
index 339556d643f..6df76509b75 100644
--- a/reactos/ntoskrnl/mm/cont.c
+++ b/reactos/ntoskrnl/mm/cont.c
@@ -1,4 +1,4 @@
-/* $Id: cont.c,v 1.25 2002/11/05 20:35:33 hbirr Exp $
+/* $Id: cont.c,v 1.26 2003/05/17 15:28:58 ekohl Exp $
  * 
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -50,6 +50,7 @@ MmAllocateContiguousAlignedMemory(IN ULONG NumberOfBytes,
 			       NumberOfBytes,
 			       0,
 			       &MArea,
+			       FALSE,
 			       FALSE);
    MmUnlockAddressSpace(MmGetKernelAddressSpace());
 
diff --git a/reactos/ntoskrnl/mm/iospace.c b/reactos/ntoskrnl/mm/iospace.c
index 0ce9fba44a5..e5d0fffccf4 100644
--- a/reactos/ntoskrnl/mm/iospace.c
+++ b/reactos/ntoskrnl/mm/iospace.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: iospace.c,v 1.17 2002/11/05 20:35:33 hbirr Exp $
+/* $Id: iospace.c,v 1.18 2003/05/17 15:28:58 ekohl Exp $
  *
  * PROJECT:         ReactOS kernel
  * FILE:            ntoskrnl/mm/iospace.c
@@ -84,6 +84,7 @@ MmMapIoSpace (IN PHYSICAL_ADDRESS PhysicalAddress,
 				NumberOfBytes,
 				0,
 				&marea,
+				FALSE,
 				FALSE);
    MmUnlockAddressSpace(MmGetKernelAddressSpace());
 
diff --git a/reactos/ntoskrnl/mm/marea.c b/reactos/ntoskrnl/mm/marea.c
index d6dfe50cf4a..5513373e5e6 100644
--- a/reactos/ntoskrnl/mm/marea.c
+++ b/reactos/ntoskrnl/mm/marea.c
@@ -1,6 +1,6 @@
 /*
  *  ReactOS kernel
- *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
+ *  Copyright (C) 1998, 1999, 2000, 2001, 2003 ReactOS Team
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -188,12 +188,12 @@ static VOID MmInsertMemoryArea(PMADDRESS_SPACE AddressSpace,
 	     current_entry->Flink = inserted_entry;
 	     inserted_entry->Flink=ListHead;
 	     inserted_entry->Blink=current_entry;
-	     ListHead->Blink = inserted_entry;	    	     
+	     ListHead->Blink = inserted_entry;
 	     return;
 	  }
 	if (current->BaseAddress < marea->BaseAddress &&
 	    next->BaseAddress > marea->BaseAddress)
-	  {	     
+	  {
 	     inserted_entry->Flink = current_entry->Flink;
 	     inserted_entry->Blink = current_entry;
 	     inserted_entry->Flink->Blink = inserted_entry;
@@ -205,7 +205,8 @@ static VOID MmInsertMemoryArea(PMADDRESS_SPACE AddressSpace,
    InsertTailList(ListHead,inserted_entry);
 }
 
-PVOID MmFindGap(PMADDRESS_SPACE AddressSpace, ULONG Length)
+
+PVOID MmFindGapBottomUp(PMADDRESS_SPACE AddressSpace, ULONG Length)
 {
    PLIST_ENTRY ListHead;
    PLIST_ENTRY current_entry;
@@ -214,7 +215,7 @@ PVOID MmFindGap(PMADDRESS_SPACE AddressSpace, ULONG Length)
    ULONG Gap;
    PVOID Address;
    
-   DPRINT("MmFindGap(Length %x)\n",Length);
+   DPRINT("MmFindGapBottomUp(Length %x)\n",Length);
    
    ListHead = &AddressSpace->MAreaListHead;
      
@@ -258,6 +259,94 @@ PVOID MmFindGap(PMADDRESS_SPACE AddressSpace, ULONG Length)
    return Address;
 }
 
+
+PVOID MmFindGapTopDown(PMADDRESS_SPACE AddressSpace, ULONG Length)
+{
+  PLIST_ENTRY ListHead;
+  PLIST_ENTRY current_entry;
+  MEMORY_AREA* current;
+  ULONG Gap;
+  PVOID Address;
+  PVOID TopAddress;
+  PVOID BottomAddress;
+  PVOID HighestAddress;
+
+  DPRINT("MmFindGapTopDown(Length %lx)\n",Length);
+
+  if (AddressSpace->LowestAddress < KERNEL_BASE)
+    {
+      HighestAddress = (PVOID)0x7FFE0000;  /* Start below the PEB */
+    }
+  else
+    {
+      HighestAddress = (PVOID)0xFFFFFFFF;
+    }
+
+  TopAddress = HighestAddress;
+
+  ListHead = &AddressSpace->MAreaListHead;
+  current_entry = ListHead->Blink;
+  while (current_entry->Blink != ListHead)
+    {
+      current = CONTAINING_RECORD(current_entry,MEMORY_AREA,Entry);
+      BottomAddress = current->BaseAddress + PAGE_ROUND_UP(current->Length);
+      DPRINT("Base %p  Length %lx\n", current->BaseAddress, PAGE_ROUND_UP(current->Length));
+
+      if (BottomAddress < HighestAddress)
+	{
+	  Gap = TopAddress - BottomAddress;
+	  DPRINT("Bottom %p  Top %p  Gap %lx\n", BottomAddress, TopAddress, Gap);
+	  if (Gap >= Length)
+	    {
+	      DPRINT1("Found gap at %p\n", TopAddress - Length);
+	      return(TopAddress - Length);
+	    }
+	  TopAddress = current->BaseAddress;
+	}
+      current_entry = current_entry->Blink;
+    }
+
+  if (current_entry == ListHead)
+    {
+      Address = (PVOID)HighestAddress - Length;
+    }
+  else
+    {
+      Address = TopAddress - Length;
+    }
+
+  /* Check if enough space for the block */
+  if (AddressSpace->LowestAddress < KERNEL_BASE)
+    {
+      if ((ULONG)Address >= KERNEL_BASE || Length > KERNEL_BASE - (ULONG)Address)
+	{
+	  DPRINT("Failed to find gap\n");
+	  return NULL;
+	}
+    }
+   else
+    {
+      if (Length >= 0xFFFFFFFF - (ULONG)Address)
+	{
+	  DPRINT("Failed to find gap\n");
+	  return NULL;
+	}
+    }
+
+  DPRINT("Found gap at %p\n", Address);
+  return Address;
+}
+
+
+PVOID MmFindGap(PMADDRESS_SPACE AddressSpace, ULONG Length, BOOL TopDown)
+{
+  if (TopDown)
+    return MmFindGapTopDown(AddressSpace, Length);
+
+  return MmFindGapBottomUp(AddressSpace, Length);
+}
+
+
 NTSTATUS MmInitMemoryAreas(VOID)
 /*
  * FUNCTION: Initialize the memory area list
@@ -286,7 +375,7 @@ MmFreeMemoryArea(PMADDRESS_SPACE AddressSpace,
    MemoryArea = MmOpenMemoryAreaByAddress(AddressSpace,
 					  BaseAddress);
    if (MemoryArea == NULL)
-     {       
+     {
 	KeBugCheck(0);
 	return(STATUS_UNSUCCESSFUL);
      }
@@ -381,7 +470,8 @@ NTSTATUS MmCreateMemoryArea(PEPROCESS Process,
 			    ULONG Length,
 			    ULONG Attributes,
 			    MEMORY_AREA** Result,
-			    BOOL FixedAddress)
+			    BOOL FixedAddress,
+			    BOOL TopDown)
 /*
  * FUNCTION: Create a memory area
  * ARGUMENTS:
@@ -400,12 +490,13 @@ NTSTATUS MmCreateMemoryArea(PEPROCESS Process,
 	   "*BaseAddress %x, Length %x, Attributes %x, Result %x)\n",
 	   Type,BaseAddress,*BaseAddress,Length,Attributes,Result);
 
-   if ((*BaseAddress)==0 && !FixedAddress)
+   if ((*BaseAddress) == 0 && !FixedAddress)
      {
-        tmpLength = PAGE_ROUND_UP(Length);
+	tmpLength = PAGE_ROUND_UP(Length);
 	*BaseAddress = MmFindGap(AddressSpace,
-				 PAGE_ROUND_UP(Length) +(PAGE_SIZE*2));
-	if ((*BaseAddress)==0)
+				 PAGE_ROUND_UP(Length) +(PAGE_SIZE*2),
+				 TopDown);
+	if ((*BaseAddress) == 0)
 	  {
 	     DPRINT("No suitable gap\n");
 	     return(STATUS_NO_MEMORY);
@@ -413,9 +504,9 @@ NTSTATUS MmCreateMemoryArea(PEPROCESS Process,
 	(*BaseAddress)=(*BaseAddress)+PAGE_SIZE;
      }
    else
-     { 
+     {
 	tmpLength = (ULONG)*BaseAddress + Length - PAGE_ROUND_DOWN((*BaseAddress));
-        (*BaseAddress) = (PVOID)PAGE_ROUND_DOWN((*BaseAddress));
+	(*BaseAddress) = (PVOID)PAGE_ROUND_DOWN((*BaseAddress));
 	if (MmOpenMemoryAreaByRegion(AddressSpace,
 				     *BaseAddress,
 				     tmpLength)!=NULL)
diff --git a/reactos/ntoskrnl/mm/mdl.c b/reactos/ntoskrnl/mm/mdl.c
index b6891ca6530..87577e81e74 100644
--- a/reactos/ntoskrnl/mm/mdl.c
+++ b/reactos/ntoskrnl/mm/mdl.c
@@ -1,4 +1,4 @@
-/* $Id: mdl.c,v 1.47 2002/11/10 18:17:42 chorns Exp $
+/* $Id: mdl.c,v 1.48 2003/05/17 15:28:58 ekohl Exp $
  *
  * COPYRIGHT:    See COPYING in the top level directory
  * PROJECT:      ReactOS kernel
@@ -51,6 +51,7 @@ MmInitializeMdlImplementation(VOID)
 			      MI_MDL_MAPPING_REGION_SIZE,
 			      0,
 			      &Result,
+			      FALSE,
 			      FALSE);
   if (!NT_SUCCESS(Status))
     {
diff --git a/reactos/ntoskrnl/mm/mminit.c b/reactos/ntoskrnl/mm/mminit.c
index 82cf9197bc1..d6b671a593f 100644
--- a/reactos/ntoskrnl/mm/mminit.c
+++ b/reactos/ntoskrnl/mm/mminit.c
@@ -1,4 +1,4 @@
-/* $Id: mminit.c,v 1.44 2003/05/17 13:45:04 hbirr Exp $
+/* $Id: mminit.c,v 1.45 2003/05/17 15:28:58 ekohl Exp $
  *
  * COPYRIGHT:   See COPYING in the top directory
  * PROJECT:     ReactOS kernel 
@@ -106,6 +106,7 @@ VOID MmInitVirtualMemory(ULONG LastKernelAddress,
 		      Length,
 		      0,
 		      &kernel_text_desc,
+		      FALSE,
 		      FALSE);
 
    Length = PAGE_ROUND_UP(((ULONG)&_bss_end__)) - 
@@ -120,24 +121,26 @@ VOID MmInitVirtualMemory(ULONG LastKernelAddress,
     * the only thread running.
     */
    MmCreateMemoryArea(NULL,
-		      MmGetKernelAddressSpace(),		      
+		      MmGetKernelAddressSpace(),
 		      MEMORY_AREA_SYSTEM,
 		      &BaseAddress,
 		      Length,
 		      0,
 		      &kernel_data_desc,
+		      FALSE,
 		      FALSE);
    
    BaseAddress = (PVOID)PAGE_ROUND_UP(((ULONG)&_bss_end__));
 //   Length = ParamLength;
    Length = LastKernelAddress - (ULONG)BaseAddress;
    MmCreateMemoryArea(NULL,
-		      MmGetKernelAddressSpace(),		      
+		      MmGetKernelAddressSpace(),
 		      MEMORY_AREA_SYSTEM,
 		      &BaseAddress,
 		      Length,
 		      0,
 		      &kernel_param_desc,
+		      FALSE,
 		      FALSE);
 
    BaseAddress = (PVOID)(LastKernelAddress + PAGE_SIZE);
@@ -149,6 +152,7 @@ VOID MmInitVirtualMemory(ULONG LastKernelAddress,
 		      Length,
 		      0,
 		      &kernel_pool_desc,
+		      FALSE,
 		      FALSE);
 
    MmPagedPoolSize = MM_PAGED_POOL_SIZE;
@@ -163,6 +167,7 @@ VOID MmInitVirtualMemory(ULONG LastKernelAddress,
 		      Length,
 		      0,
 		      &MiPagedPoolDescriptor,
+		      FALSE,
 		      FALSE);
    MmInitializePagedPool();
 
@@ -178,6 +183,7 @@ VOID MmInitVirtualMemory(ULONG LastKernelAddress,
 		      Length,
 		      0,
 		      &kernel_shared_data_desc,
+		      FALSE,
 		      FALSE);
    Status = MmRequestPageMemoryConsumer(MC_NPPOOL, TRUE, 
 					&MmSharedDataPagePhysicalAddress);
diff --git a/reactos/ntoskrnl/mm/ncache.c b/reactos/ntoskrnl/mm/ncache.c
index d6ceb34db8f..71bbf33ab3d 100644
--- a/reactos/ntoskrnl/mm/ncache.c
+++ b/reactos/ntoskrnl/mm/ncache.c
@@ -1,4 +1,4 @@
-/* $Id: ncache.c,v 1.23 2002/11/05 20:35:33 hbirr Exp $
+/* $Id: ncache.c,v 1.24 2003/05/17 15:28:58 ekohl Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -62,6 +62,7 @@ MmAllocateNonCachedMemory(IN ULONG NumberOfBytes)
 				NumberOfBytes,
 				0,
 				&marea,
+				FALSE,
 				FALSE);
    MmUnlockAddressSpace(MmGetKernelAddressSpace());
 
diff --git a/reactos/ntoskrnl/mm/section.c b/reactos/ntoskrnl/mm/section.c
index 4e2e77324f7..73a0987c9a9 100644
--- a/reactos/ntoskrnl/mm/section.c
+++ b/reactos/ntoskrnl/mm/section.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: section.c,v 1.112 2003/05/17 13:43:44 hbirr Exp $
+/* $Id: section.c,v 1.113 2003/05/17 15:28:58 ekohl Exp $
  *
  * PROJECT:         ReactOS kernel
  * FILE:            ntoskrnl/mm/section.c
@@ -2790,7 +2790,8 @@ MmMapViewOfSegment(PEPROCESS Process,
 		   PVOID* BaseAddress,
 		   ULONG ViewSize,
 		   ULONG Protect,
-		   ULONG ViewOffset)
+		   ULONG ViewOffset,
+		   BOOL TopDown)
 {
   PMEMORY_AREA MArea;
   NTSTATUS Status;
@@ -2803,7 +2804,8 @@ MmMapViewOfSegment(PEPROCESS Process,
 			      ViewSize,
 			      Protect,
 			      &MArea,
-			      FALSE);
+			      FALSE,
+			      TopDown);
   if (!NT_SUCCESS(Status))
     {
       DPRINT1("Mapping between 0x%.8X and 0x%.8X failed.\n",
@@ -3280,6 +3282,7 @@ MmAllocateSection (IN ULONG Length)
 				Length,
 				0,
 				&marea,
+				FALSE,
 				FALSE);
    if (!NT_SUCCESS(Status))
      {
@@ -3305,7 +3308,7 @@ MmAllocateSection (IN ULONG Length)
 					TRUE);
        if (!NT_SUCCESS(Status))
 	 {
-	   DbgPrint("Unable to create virtual mapping\n");	  
+	   DbgPrint("Unable to create virtual mapping\n");
 	   KeBugCheck(0);
 	 }
      }
@@ -3420,7 +3423,7 @@ MmMapViewOfSection(IN PVOID SectionObject,
 	       return(STATUS_UNSUCCESSFUL);
 	     }
 	   /* Otherwise find a gap to map the image. */
-	   ImageBase = MmFindGap(AddressSpace, PAGE_ROUND_UP(ImageSize));
+	   ImageBase = MmFindGap(AddressSpace, PAGE_ROUND_UP(ImageSize), FALSE);
 	   if (ImageBase == NULL)
 	     {
 	       MmUnlockSection(Section);
@@ -3446,7 +3449,8 @@ MmMapViewOfSection(IN PVOID SectionObject,
 					   &SBaseAddress,
 					   Section->Segments[i].Length,
 					   Section->Segments[i].Protection,
-					   Section->Segments[i].FileOffset);
+					   Section->Segments[i].FileOffset,
+					   FALSE);
 	       MmUnlockSectionSegment(&Section->Segments[i]);
 	       if (!NT_SUCCESS(Status))
 		 {
@@ -3521,7 +3525,8 @@ MmMapViewOfSection(IN PVOID SectionObject,
 				   BaseAddress,
 				   *ViewSize,
 				   Protect,
-				   ViewOffset);
+				   ViewOffset,
+				   (AllocationType & MEM_TOP_DOWN));
        MmUnlockSectionSegment(Section->Segments);
        MmUnlockAddressSpace(AddressSpace);
        if (!NT_SUCCESS(Status))
@@ -3618,7 +3623,8 @@ MmMapViewInSystemSpace (IN	PVOID	SectionObject,
 			      MappedBase,
 			      *ViewSize,
 			      PAGE_READWRITE,
-			      0);
+			      0,
+			      FALSE);
 
   MmUnlockSectionSegment(Section->Segments);
   MmUnlockAddressSpace(AddressSpace);
diff --git a/reactos/ntoskrnl/ps/process.c b/reactos/ntoskrnl/ps/process.c
index 786cf9da1b6..1fe76664a3f 100644
--- a/reactos/ntoskrnl/ps/process.c
+++ b/reactos/ntoskrnl/ps/process.c
@@ -1,4 +1,4 @@
-/* $Id: process.c,v 1.99 2003/05/16 17:37:17 ekohl Exp $
+/* $Id: process.c,v 1.100 2003/05/17 15:29:50 ekohl Exp $
  *
  * COPYRIGHT:         See COPYING in the top level directory
  * PROJECT:           ReactOS kernel
@@ -586,9 +586,7 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
     * Now we have created the process proper
     */
    
-   /*
-    * Create the shared data page
-    */
+   /* Create the shared data page */
    MmLockAddressSpace(&Process->AddressSpace);
    BaseAddress = (PVOID)USER_SHARED_DATA;
    Status = MmCreateMemoryArea(Process,
@@ -598,6 +596,7 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
 			       PAGE_SIZE,
 			       PAGE_READONLY,
 			       &MemoryArea,
+			       FALSE,
 			       FALSE);
    MmUnlockAddressSpace(&Process->AddressSpace);
    if (!NT_SUCCESS(Status))
@@ -605,7 +604,7 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
 	DPRINT1("Failed to create shared data page\n");
 	KeBugCheck(0);
      }
-   
+
    /*
     * Map ntdll
     */
diff --git a/reactos/ntoskrnl/ps/w32call.c b/reactos/ntoskrnl/ps/w32call.c
index eb970cbe8ea..8ed7e97dc6d 100644
--- a/reactos/ntoskrnl/ps/w32call.c
+++ b/reactos/ntoskrnl/ps/w32call.c
@@ -1,4 +1,4 @@
-/* $Id: w32call.c,v 1.5 2002/10/01 19:27:25 chorns Exp $
+/* $Id: w32call.c,v 1.6 2003/05/17 15:29:50 ekohl Exp $
  *
  * COPYRIGHT:              See COPYING in the top level directory
  * PROJECT:                ReactOS kernel
@@ -162,8 +162,9 @@ PsAllocateCallbackStack(ULONG StackSize)
 			      StackSize,
 			      0,
 			      &StackArea,
+			      FALSE,
 			      FALSE);
-  MmUnlockAddressSpace(MmGetKernelAddressSpace());  
+  MmUnlockAddressSpace(MmGetKernelAddressSpace());
   if (!NT_SUCCESS(Status))
     {
       DPRINT("Failed to create thread stack\n");