diff -r 000000000000 -r 96e5fb8b040d kernel/eka/memmodel/epoc/flexible/mmu/mcleanup.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/memmodel/epoc/flexible/mmu/mcleanup.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,81 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <plat_priv.h>
+#include "mm.h"
+#include "mmu.h"
+
+#include "mcleanup.h"
+
+
+//
+// TMemoryCleanup
+//
+
+static TDfc CleanupDfc(TMemoryCleanup::Cleanup, NULL, 2);
+
+static TMemoryCleanup* CleanupList = 0;
+
+#ifdef __SMP__
+static TSpinLock CleanupLock(TSpinLock::EOrderEventHandlerList);
+#endif
+
+void TMemoryCleanup::Init2()
+	{
+	CleanupDfc.SetDfcQ(K::SvMsgQ);
+	}
+
+
+void TMemoryCleanup::Add(TMemoryCleanupCallback aCallback, TAny* aArg)
+	{
+	__SPIN_LOCK_IRQ(CleanupLock);
+	if(iCallback)
+		{
+		// already queued...
+		__NK_ASSERT_DEBUG(iCallback==aCallback);
+		__SPIN_UNLOCK_IRQ(CleanupLock);
+		}
+	else
+		{
+		iCallback = aCallback;
+		iArg = aArg;
+		iNext = CleanupList;
+		CleanupList = this;
+		__SPIN_UNLOCK_IRQ(CleanupLock);
+		CleanupDfc.Enque();
+		}
+	}
+
+
+void TMemoryCleanup::Cleanup(TAny* /*aDummy*/)
+	{
+	for(;;)
+		{
+		__SPIN_LOCK_IRQ(CleanupLock);
+		TMemoryCleanup* c = CleanupList;
+		if(!c)
+			{
+			__SPIN_UNLOCK_IRQ(CleanupLock);
+			return;
+			}
+
+		CleanupList = c->iNext;
+		TMemoryCleanupCallback fn = c->iCallback;
+		TAny* arg = c->iArg;
+		c->iCallback = 0;
+		__SPIN_UNLOCK_IRQ(CleanupLock);
+		(*fn)(arg);
+		}
+	}