diff -r 5af6c74cd793 -r af6ec97d9189 kernel/eka/memmodel/epoc/flexible/mmu/mm.h
--- a/kernel/eka/memmodel/epoc/flexible/mmu/mm.h	Wed Jun 23 11:59:44 2010 +0100
+++ b/kernel/eka/memmodel/epoc/flexible/mmu/mm.h	Wed Jun 23 12:52:28 2010 +0100
@@ -1124,6 +1124,14 @@
 FORCE_INLINE void FlagClear(T& a,const T b,const T c,const T d)
 	{ a = (T)(a&~b&~c&~d); }
 
+/// Utility function to calculate the minimum of two unsigned integers
+FORCE_INLINE TUint MinU(TUint a, TUint b)
+	{ return a <= b ? a : b; }
+
+/// Utility function to calculate the maximum of two unsigned integers
+FORCE_INLINE TUint MaxU(TUint a, TUint b)
+	{ return a >= b ? a : b; }
+
 
 #include <memmodel/epoc/mmubase/kblockmap.h>