[navaraf] 17009: Merge 16596 (hbirr) from trunk:

Merge 16596 (hbirr) from trunk:
Replaced KERNEL_BASE by MmSystemRangeStart.
Modified: branches/ros-branch-0_2_7/reactos/ntoskrnl/ke/i386/exp.c
Modified: branches/ros-branch-0_2_7/reactos/ntoskrnl/mm/marea.c
  _____

Modified: branches/ros-branch-0_2_7/reactos/ntoskrnl/ke/i386/exp.c
--- branches/ros-branch-0_2_7/reactos/ntoskrnl/ke/i386/exp.c
2005-08-03 16:17:15 UTC (rev 17008)
+++ branches/ros-branch-0_2_7/reactos/ntoskrnl/ke/i386/exp.c
2005-08-03 17:05:36 UTC (rev 17009)
@@ -469,7 +469,7 @@

*        Complete CPU context
  */
 {
-   unsigned int cr2;
+   ULONG_PTR cr2;
    NTSTATUS Status;
    ULONG Esp0;

@@ -528,7 +528,7 @@
     */
    if (ExceptionNr == 14)
      {
-        if (Ke386NoExecute && Tf->ErrorCode & 0x10 && cr2 >=
KERNEL_BASE)
+        if (Ke386NoExecute && Tf->ErrorCode & 0x10 && cr2 >=
(ULONG_PTR)MmSystemRangeStart)
    {
            KEBUGCHECKWITHTF(ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY, 0,
0, 0, 0, Tf);
    }
  _____

Modified: branches/ros-branch-0_2_7/reactos/ntoskrnl/mm/marea.c
--- branches/ros-branch-0_2_7/reactos/ntoskrnl/mm/marea.c
2005-08-03 16:17:15 UTC (rev 17008)
+++ branches/ros-branch-0_2_7/reactos/ntoskrnl/mm/marea.c
2005-08-03 17:05:36 UTC (rev 17009)
@@ -971,7 +971,7 @@

*BaseAddress = MM_ROUND_DOWN(*BaseAddress, Granularity);

if (AddressSpace->LowestAddress == MmSystemRangeStart &&
-          *BaseAddress < (PVOID)KERNEL_BASE)
+          *BaseAddress < MmSystemRangeStart)
       {
          CHECKPOINT;
          return STATUS_ACCESS_VIOLATION;