diff -r 94f2adf59133 -r b2826f67641f userlibandfileserver/fileserver/sfile/sf_debug.cpp
--- a/userlibandfileserver/fileserver/sfile/sf_debug.cpp	Tue Oct 26 11:12:58 2010 +0100
+++ b/userlibandfileserver/fileserver/sfile/sf_debug.cpp	Tue Oct 26 12:49:20 2010 +0100
@@ -622,6 +622,14 @@
             TInt r=aRequest->Write(2,pkgBuf);
             return r;
             }
+
+		case KControlIoHeapCellCount:
+			{
+            TPckgBuf<TInt> pkgBuf(User::Allocator().Count());
+            TInt r=aRequest->Write(2,pkgBuf);
+            return r;
+			}
+
         // Check if the file is in 'file sequential/non-rugged file' mode
         case KControlIoIsFileSequential:
         	{