diff --git a/reactos/ntoskrnl/include/internal/amd64/mm.h b/reactos/ntoskrnl/include/internal/amd64/mm.h
index 99cc8e14ec3..5776d3c83c9 100644
--- a/reactos/ntoskrnl/include/internal/amd64/mm.h
+++ b/reactos/ntoskrnl/include/internal/amd64/mm.h
@@ -17,6 +17,8 @@ MmGetPageDirectory(VOID)
 #define PAGE_MASK(x)		((x)&(~0xfff))
 #define PAE_PAGE_MASK(x)	((x)&(~0xfffLL))
 
+#define HYPER_SPACE 0xFFFFF70000000000ULL
+
 /* Base addresses of PTE and PDE */
 //#define PAGETABLE_MAP       PTE_BASE
 //#define PAGEDIRECTORY_MAP   (0xc0000000 + (PAGETABLE_MAP / (1024)))
@@ -56,5 +58,7 @@ MmGetPageDirectory(VOID)
 #define MI_IS_PAGE_WRITEABLE(x)    ((x)->u.Hard.Write == 1)
 #define MI_IS_PAGE_COPY_ON_WRITE(x)((x)->u.Hard.CopyOnWrite == 1)
 #define MI_IS_PAGE_DIRTY(x)        ((x)->u.Hard.Dirty == 1)
+#define MI_MAKE_OWNER_PAGE(x)      ((x)->u.Hard.Owner = 1)
+#define MI_MAKE_WRITE_PAGE(x)      ((x)->u.Hard.Write = 1)
 
 #endif /* __NTOSKRNL_INCLUDE_INTERNAL_AMD64_MM_H */
diff --git a/reactos/ntoskrnl/mm/amd64/init.c b/reactos/ntoskrnl/mm/amd64/init.c
index 60cb584bfcf..8f190154999 100644
--- a/reactos/ntoskrnl/mm/amd64/init.c
+++ b/reactos/ntoskrnl/mm/amd64/init.c
@@ -22,6 +22,8 @@ ULONG MmMaximumNonPagedPoolPercent;
 ULONG MmSizeOfNonPagedPoolInBytes;
 ULONG MmMaximumNonPagedPoolInBytes;
 
+PVOID MiSessionSpaceEnd;    // 0xC0000000
+
 ULONG64 MmUserProbeAddress;
 PVOID MmHighestUserAddress;
 PVOID MmSystemRangeStart;
@@ -50,6 +52,10 @@ ULONG MmSessionSize;
 PMEMORY_ALLOCATION_DESCRIPTOR MxFreeDescriptor;
 MEMORY_ALLOCATION_DESCRIPTOR MxOldFreeDescriptor;
 
+PMMPTE MmSystemPagePtes;
+ULONG MxPfnAllocation;
+PVOID MiSystemViewStart;
+ULONG MmSystemViewSize;
 
 NTSTATUS
 NTAPI