diff --git a/reactos/ntoskrnl/cache/section/data.c b/reactos/ntoskrnl/cache/section/data.c
index ed3c0dbd7d8..9623a7a8f22 100644
--- a/reactos/ntoskrnl/cache/section/data.c
+++ b/reactos/ntoskrnl/cache/section/data.c
@@ -551,7 +551,6 @@ _MiMapViewOfSegment(PMMSUPPORT AddressSpace,
                                 ViewSize,
                                 Protect,
                                 &MArea,
-                                FALSE,
                                 AllocationType,
                                 *BaseAddress ?
                                 PAGE_SIZE : MM_ALLOCATION_GRANULARITY);
diff --git a/reactos/ntoskrnl/cc/view.c b/reactos/ntoskrnl/cc/view.c
index bcfcf450d9a..88e7f7a4c99 100644
--- a/reactos/ntoskrnl/cc/view.c
+++ b/reactos/ntoskrnl/cc/view.c
@@ -595,7 +595,6 @@ CcRosMapVacb(
                                 VACB_MAPPING_GRANULARITY,
                                 PAGE_READWRITE,
                                 (PMEMORY_AREA*)&Vacb->MemoryArea,
-                                FALSE,
                                 0,
                                 PAGE_SIZE);
     MmUnlockAddressSpace(MmGetKernelAddressSpace());
diff --git a/reactos/ntoskrnl/include/internal/mm.h b/reactos/ntoskrnl/include/internal/mm.h
index f61ac5cf55a..6ba3a3b468f 100644
--- a/reactos/ntoskrnl/include/internal/mm.h
+++ b/reactos/ntoskrnl/include/internal/mm.h
@@ -487,7 +487,6 @@ MmCreateMemoryArea(
     SIZE_T Length,
     ULONG Protection,
     PMEMORY_AREA *Result,
-    BOOLEAN FixedAddress,
     ULONG AllocationFlags,
     ULONG AllocationGranularity
 );
diff --git a/reactos/ntoskrnl/mm/ARM3/procsup.c b/reactos/ntoskrnl/mm/ARM3/procsup.c
index 26b9f1826d7..3b42ede15e7 100644
--- a/reactos/ntoskrnl/mm/ARM3/procsup.c
+++ b/reactos/ntoskrnl/mm/ARM3/procsup.c
@@ -38,7 +38,6 @@ MiRosTakeOverSharedUserPage(IN PEPROCESS Process)
                                 PAGE_SIZE,
                                 PAGE_READWRITE,
                                 &MemoryArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(NT_SUCCESS(Status));
diff --git a/reactos/ntoskrnl/mm/ARM3/vadnode.c b/reactos/ntoskrnl/mm/ARM3/vadnode.c
index dbc640e27b8..a8396c084e4 100644
--- a/reactos/ntoskrnl/mm/ARM3/vadnode.c
+++ b/reactos/ntoskrnl/mm/ARM3/vadnode.c
@@ -146,13 +146,19 @@ MiInsertNode(IN PMM_AVL_TABLE Table,
         PVOID AllocatedBase = (PVOID)(Vad->StartingVpn << PAGE_SHIFT);
 
         Size = ((Vad->EndingVpn + 1) - Vad->StartingVpn) << PAGE_SHIFT;
+
+        if (AllocatedBase == NULL)
+        {
+            AllocatedBase = (PVOID)(ULONG_PTR)1;
+            Size -= 1;
+        }
+
         Status = MmCreateMemoryArea(&Process->Vm,
                                     MEMORY_AREA_OWNED_BY_ARM3,
                                     &AllocatedBase,
                                     Size,
                                     PAGE_READWRITE,
                                     &MemoryArea,
-                                    TRUE,
                                     0,
                                     PAGE_SIZE);
         ASSERT(NT_SUCCESS(Status));
diff --git a/reactos/ntoskrnl/mm/marea.c b/reactos/ntoskrnl/mm/marea.c
index 488184a4d95..1d6d80bdf4f 100644
--- a/reactos/ntoskrnl/mm/marea.c
+++ b/reactos/ntoskrnl/mm/marea.c
@@ -923,7 +923,6 @@ MmCreateMemoryArea(PMMSUPPORT AddressSpace,
                    ULONG_PTR Length,
                    ULONG Protect,
                    PMEMORY_AREA *Result,
-                   BOOLEAN FixedAddress,
                    ULONG AllocationFlags,
                    ULONG Granularity)
 {
@@ -933,11 +932,11 @@ MmCreateMemoryArea(PMMSUPPORT AddressSpace,
 
     DPRINT("MmCreateMemoryArea(Type 0x%lx, BaseAddress %p, "
            "*BaseAddress %p, Length %p, AllocationFlags %x, "
-           "FixedAddress %x, Result %p)\n",
+           "Result %p)\n",
            Type, BaseAddress, *BaseAddress, Length, AllocationFlags,
-           FixedAddress, Result);
+           Result);
 
-    if ((*BaseAddress) == 0 && !FixedAddress)
+    if (*BaseAddress == 0)
     {
         tmpLength = (ULONG_PTR)MM_ROUND_UP(Length, PAGE_SIZE);
         *BaseAddress = MmFindGap(AddressSpace,
diff --git a/reactos/ntoskrnl/mm/mminit.c b/reactos/ntoskrnl/mm/mminit.c
index 0535a7dafb3..19ab1a22519 100644
--- a/reactos/ntoskrnl/mm/mminit.c
+++ b/reactos/ntoskrnl/mm/mminit.c
@@ -57,7 +57,6 @@ MiInitSystemMemoryAreas()
                                 MmBootImageSize,
                                 PAGE_EXECUTE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -72,7 +71,6 @@ MiInitSystemMemoryAreas()
                                 PTE_TOP - PTE_BASE + 1,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -87,7 +85,6 @@ MiInitSystemMemoryAreas()
                                 HYPER_SPACE_END - HYPER_SPACE + 1,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -102,7 +99,6 @@ MiInitSystemMemoryAreas()
                                 (MxPfnAllocation << PAGE_SHIFT),
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -117,7 +113,6 @@ MiInitSystemMemoryAreas()
                                 MmSizeOfNonPagedPoolInBytes,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -132,7 +127,6 @@ MiInitSystemMemoryAreas()
                                 MiNonPagedSystemSize,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -147,7 +141,6 @@ MiInitSystemMemoryAreas()
                                 MmSystemViewSize,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -163,7 +156,6 @@ MiInitSystemMemoryAreas()
                                 (ULONG_PTR)MmSessionBase,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -178,7 +170,6 @@ MiInitSystemMemoryAreas()
                                 MmSizeOfPagedPoolInBytes,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -193,7 +184,6 @@ MiInitSystemMemoryAreas()
                                 PAGE_SIZE * KeNumberProcessors,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -208,7 +198,6 @@ MiInitSystemMemoryAreas()
                                 PAGE_SIZE,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -223,7 +212,6 @@ MiInitSystemMemoryAreas()
                                 PAGE_SIZE,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
@@ -239,7 +227,6 @@ MiInitSystemMemoryAreas()
                                 PAGE_SIZE * 2,
                                 PAGE_READWRITE,
                                 &MArea,
-                                TRUE,
                                 0,
                                 PAGE_SIZE);
     ASSERT(Status == STATUS_SUCCESS);
diff --git a/reactos/ntoskrnl/mm/section.c b/reactos/ntoskrnl/mm/section.c
index a3e80393b0d..4d92f2534a5 100644
--- a/reactos/ntoskrnl/mm/section.c
+++ b/reactos/ntoskrnl/mm/section.c
@@ -3965,7 +3965,6 @@ MmMapViewOfSegment(PMMSUPPORT AddressSpace,
                                 ViewSize,
                                 Protect,
                                 &MArea,
-                                FALSE,
                                 AllocationType,
                                 Granularity);
     if (!NT_SUCCESS(Status))