diff --git a/libs/surfaceflinger/Layer.h b/libs/surfaceflinger/Layer.h
index 54d994f..4c13d6e 100644
--- a/libs/surfaceflinger/Layer.h
+++ b/libs/surfaceflinger/Layer.h
@@ -42,7 +42,6 @@
 
 class Client;
 class LayerBitmap;
-class MemoryDealer;
 class FreezeLock;
 
 // ---------------------------------------------------------------------------
diff --git a/libs/surfaceflinger/LayerBitmap.cpp b/libs/surfaceflinger/LayerBitmap.cpp
index e0984fe..9fffbbf 100644
--- a/libs/surfaceflinger/LayerBitmap.cpp
+++ b/libs/surfaceflinger/LayerBitmap.cpp
@@ -20,7 +20,6 @@
 
 #include <utils/Errors.h>
 #include <utils/Log.h>
-#include <binder/MemoryDealer.h>
 #include <binder/MemoryBase.h>
 #include <binder/IMemory.h>
 
diff --git a/libs/surfaceflinger/LayerBitmap.h b/libs/surfaceflinger/LayerBitmap.h
index f3636c0..22525ce 100644
--- a/libs/surfaceflinger/LayerBitmap.h
+++ b/libs/surfaceflinger/LayerBitmap.h
@@ -40,7 +40,6 @@
 
 // ---------------------------------------------------------------------------
 class IMemory;
-class MemoryDealer;
 class LayerBitmap;
 
 // ===========================================================================
diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h
index cd541a5..fe879eb 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/libs/surfaceflinger/LayerBuffer.h
@@ -32,7 +32,6 @@
 
 // ---------------------------------------------------------------------------
 
-class MemoryDealer;
 class Region;
 class OverlayRef;
 
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index c386681..5ac1cfd 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -31,8 +31,8 @@
 
 #include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
-#include <binder/MemoryDealer.h>
-#include <binder/MemoryBase.h>
+#include <binder/MemoryHeapBase.h>
+
 #include <utils/String8.h>
 #include <utils/String16.h>
 #include <utils/StopWatch.h>
@@ -217,9 +217,9 @@
     return graphicPlane(0).displayHardware().getOverlayEngine();
 }
 
-sp<IMemory> SurfaceFlinger::getCblk() const
+sp<IMemoryHeap> SurfaceFlinger::getCblk() const
 {
-    return mServerCblkMemory;
+    return mServerHeap;
 }
 
 sp<ISurfaceFlingerClient> SurfaceFlinger::createConnection()
@@ -238,7 +238,7 @@
         return 0;
     }
     sp<BClient> bclient =
-        new BClient(this, token, client->controlBlockMemory());
+        new BClient(this, token, client->getControlBlockMemory());
     return bclient;
 }
 
@@ -301,7 +301,6 @@
     mReadyToRunBarrier.wait();
 }
 
-
 static inline uint16_t pack565(int r, int g, int b) {
     return (r<<11)|(g<<5)|b;
 }
@@ -311,17 +310,6 @@
     LOGI(   "SurfaceFlinger's main thread ready to run. "
             "Initializing graphics H/W...");
 
-    // create the shared control-block
-    mServerHeap = new MemoryDealer(4096, MemoryDealer::READ_ONLY);
-    LOGE_IF(mServerHeap==0, "can't create shared memory dealer");
-
-    mServerCblkMemory = mServerHeap->allocate(4096);
-    LOGE_IF(mServerCblkMemory==0, "can't create shared control block");
-
-    mServerCblk = static_cast<surface_flinger_cblk_t *>(mServerCblkMemory->pointer());
-    LOGE_IF(mServerCblk==0, "can't get to shared control block's address");
-    new(mServerCblk) surface_flinger_cblk_t;
-
     // we only support one display currently
     int dpy = 0;
 
@@ -332,6 +320,16 @@
         plane.setDisplayHardware(hw);
     }
 
+    // create the shared control-block
+    mServerHeap = new MemoryHeapBase(4096,
+            MemoryHeapBase::READ_ONLY, "SurfaceFlinger read-only heap");
+    LOGE_IF(mServerHeap==0, "can't create shared memory dealer");
+    
+    mServerCblk = static_cast<surface_flinger_cblk_t*>(mServerHeap->getBase());
+    LOGE_IF(mServerCblk==0, "can't get to shared control block's address");
+    
+    new(mServerCblk) surface_flinger_cblk_t;
+
     // initialize primary screen
     // (other display should be initialized in the same manner, but
     // asynchronously, as they could come and go. None of this is supported
@@ -1615,14 +1613,14 @@
     : ctrlblk(0), cid(clientID), mPid(0), mBitmap(0), mFlinger(flinger)
 {
     const int pgsize = getpagesize();
-    const int cblksize=((sizeof(per_client_cblk_t)+(pgsize-1))&~(pgsize-1));
-    mCblkHeap = new MemoryDealer(cblksize);
-    mCblkMemory = mCblkHeap->allocate(cblksize);
-    if (mCblkMemory != 0) {
-        ctrlblk = static_cast<per_client_cblk_t *>(mCblkMemory->pointer());
-        if (ctrlblk) { // construct the shared structure in-place.
-            new(ctrlblk) per_client_cblk_t;
-        }
+    const int cblksize = ((sizeof(per_client_cblk_t)+(pgsize-1))&~(pgsize-1));
+
+    mCblkHeap = new MemoryHeapBase(cblksize, 0,
+            "SurfaceFlinger Client control-block");
+
+    ctrlblk = static_cast<per_client_cblk_t *>(mCblkHeap->getBase());
+    if (ctrlblk) { // construct the shared structure in-place.
+        new(ctrlblk) per_client_cblk_t;
     }
 }
 
@@ -1685,7 +1683,7 @@
 #pragma mark -
 #endif
 
-BClient::BClient(SurfaceFlinger *flinger, ClientID cid, const sp<IMemory>& cblk)
+BClient::BClient(SurfaceFlinger *flinger, ClientID cid, const sp<IMemoryHeap>& cblk)
     : mId(cid), mFlinger(flinger), mCblk(cblk)
 {
 }
@@ -1695,8 +1693,8 @@
     mFlinger->destroyConnection(mId);
 }
 
-void BClient::getControlBlocks(sp<IMemory>* ctrl) const {
-    *ctrl = mCblk;
+sp<IMemoryHeap> BClient::getControlBlock() const {
+    return mCblk;
 }
 
 sp<ISurface> BClient::createSurface(
diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/libs/surfaceflinger/SurfaceFlinger.h
index b7b008d..d0095a2 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/libs/surfaceflinger/SurfaceFlinger.h
@@ -27,7 +27,7 @@
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
 
-#include <binder/MemoryDealer.h>
+#include <binder/IMemory.h>
 #include <binder/Permission.h>
 
 #include <ui/PixelFormat.h>
@@ -76,25 +76,30 @@
 
     inline  bool                    isValid(int32_t i) const;
     sp<LayerBaseClient>             getLayerUser(int32_t i) const;
-    const Vector< wp<LayerBaseClient> >& getLayers() const { return mLayers; }
-    const sp<IMemory>&              controlBlockMemory() const { return mCblkMemory; }
     void                            dump(const char* what);
     
+    const Vector< wp<LayerBaseClient> >& getLayers() const { 
+        return mLayers; 
+    }
+    
+    const sp<IMemoryHeap>& getControlBlockMemory() const {
+        return mCblkHeap; 
+    }
+    
     // pointer to this client's control block
     per_client_cblk_t*      ctrlblk;
     ClientID                cid;
 
     
 private:
-    int                     getClientPid() const { return mPid; }
+    int getClientPid() const { return mPid; }
         
     int                             mPid;
     uint32_t                        mBitmap;
     SortedVector<uint8_t>           mInUse;
     Vector< wp<LayerBaseClient> >   mLayers;
-    sp<MemoryDealer>                mCblkHeap;
+    sp<IMemoryHeap>                 mCblkHeap;
     sp<SurfaceFlinger>              mFlinger;
-    sp<IMemory>                     mCblkMemory;
 };
 
 // ---------------------------------------------------------------------------
@@ -154,7 +159,7 @@
 
     // ISurfaceComposer interface
     virtual sp<ISurfaceFlingerClient>   createConnection();
-    virtual sp<IMemory>                 getCblk() const;
+    virtual sp<IMemoryHeap>             getCblk() const;
     virtual void                        bootFinished();
     virtual void                        openGlobalTransaction();
     virtual void                        closeGlobalTransaction();
@@ -317,8 +322,7 @@
                 Vector< sp<Client> >                    mDisconnectedClients;
 
                 // constant members (no synchronization needed for access)
-                sp<MemoryDealer>            mServerHeap;
-                sp<IMemory>                 mServerCblkMemory;
+                sp<IMemoryHeap>             mServerHeap;
                 surface_flinger_cblk_t*     mServerCblk;
                 GLuint                      mWormholeTexName;
                 nsecs_t                     mBootTime;
@@ -377,11 +381,11 @@
 {
 public:
     BClient(SurfaceFlinger *flinger, ClientID cid,
-            const sp<IMemory>& cblk);
+            const sp<IMemoryHeap>& cblk);
     ~BClient();
 
     // ISurfaceFlingerClient interface
-    virtual void getControlBlocks(sp<IMemory>* ctrl) const;
+    virtual sp<IMemoryHeap> getControlBlock() const;
 
     virtual sp<ISurface> createSurface(
             surface_data_t* params, int pid,
@@ -394,7 +398,7 @@
 private:
     ClientID            mId;
     SurfaceFlinger*     mFlinger;
-    sp<IMemory>         mCblk;
+    sp<IMemoryHeap>     mCblk;
 };
 
 // ---------------------------------------------------------------------------