diff -r 73ea206103e6 -r 43365a9b78a3 kernel/eka/memmodel/epoc/mmubase/defragbase.cpp
--- a/kernel/eka/memmodel/epoc/mmubase/defragbase.cpp	Wed Jun 23 19:44:53 2010 +0300
+++ b/kernel/eka/memmodel/epoc/mmubase/defragbase.cpp	Tue Jul 06 15:50:07 2010 +0300
@@ -78,6 +78,7 @@
 	TUint offset = 0;
 	TPhysAddr newAddr;
 	TBool zoneActive = EFalse;
+	const TUint moveDisFlags = (aBestEffort)? 0 : M::EMoveDisBlockRest | M::EMoveDisMoveDirty;
 	TInt ret = iRamAllocator->NextAllocatedPage(&aZone, offset, EPageMovable);
 
 	// if not best effort mode keep moving pages unless someone allocates into 
@@ -101,7 +102,7 @@
 			__KTRACE_OPT(KMMU, Kern::Printf("ClearMovableFromZone: memory too low or zone active addr %x", addr));
 			return KErrNoMemory;
 			}
-		TInt moved = M::MovePage(addr, newAddr, aZone.iId, !aBestEffort);
+		TInt moved = M::MovePage(addr, newAddr, aZone.iId, moveDisFlags);
 		if (moved != KErrNone)
 			{// Couldn't move the page so stop as we can't clear the zone
 			if (!aBestEffort)
@@ -144,6 +145,7 @@
 	TUint offset = 0;
 	TBool zoneActive = EFalse;
 	TInt ret = iRamAllocator->NextAllocatedPage(&aZone, offset, EPageDiscard);
+	const TUint moveDisFlags = (aBestEffort)? 0 : M::EMoveDisBlockRest | M::EMoveDisMoveDirty;
 
 
 	while (	aZone.iAllocPages[EPageDiscard] != 0 && ret == KErrNone && 
@@ -169,7 +171,7 @@
 			return KErrNoMemory;
 			}
 
-		TInt discardRet = M::DiscardPage(addr, aZone.iId, !aBestEffort);
+		TInt discardRet = M::DiscardPage(addr, aZone.iId, moveDisFlags);
 		if (discardRet == KErrNone)
 			{// Page was discarded successfully.
 			if (aMaxDiscard)