-extern tPAddr MM_AllocPhys();
-extern tPAddr MM_AllocPhysRange(int Pages, int MaxBits);
-extern void MM_RefPhys(tPAddr PAddr);
-extern void MM_DerefPhys(tPAddr PAddr);
-extern int MM_GetRefCount(tPAddr Addr);
+//extern tPAddr MM_AllocPhys(void);
+//extern tPAddr MM_AllocPhysRange(int Pages, int MaxBits);
+//extern void MM_RefPhys(tPAddr PAddr);
+//extern void MM_DerefPhys(tPAddr PAddr);
+//extern int MM_GetRefCount(tPAddr Addr);