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[reactos.git] / ntoskrnl / include / internal / i386 / mm.h

diff --git a/ntoskrnl/include/internal/i386/mm.h b/ntoskrnl/include/internal/i386/mm.h
index 0ff6b56..51e4d32 100644 (file)
--- a/ntoskrnl/include/internal/i386/mm.h
+++ b/ntoskrnl/include/internal/i386/mm.h
@@ -39,10 +39,12 @@ PULONG MmGetPageDirectory(VOID);
 // Convert a PTE into a corresponding address
 //
 #define MiPteToAddress(PTE) ((PVOID)((ULONG)(PTE) << 10))
-#define MiPdeToAddress(PDE) ((PVOID)((ULONG)(PDE) << 10))
+#define MiPdeToAddress(PDE) ((PVOID)((ULONG)(PDE) << 20))
+#define MiPdeToPte(PDE) ((PMMPTE)MiPteToAddress(PDE))
+#define MiPteToPde(PTE) ((PMMPDE)MiAddressToPte(PTE))
 
 #define ADDR_TO_PAGE_TABLE(v) (((ULONG)(v)) / (1024 * PAGE_SIZE))
-#define ADDR_TO_PDE_OFFSET(v) ((((ULONG)(v)) / (1024 * PAGE_SIZE)))
+#define ADDR_TO_PDE_OFFSET(v)  (((ULONG)(v)) / (1024 * PAGE_SIZE))
 #define ADDR_TO_PTE_OFFSET(v)  ((((ULONG)(v)) % (1024 * PAGE_SIZE)) / PAGE_SIZE)
 
 #define MiGetPdeOffset ADDR_TO_PDE_OFFSET