--- xnu/xnu-3248.50.21/libkern/c++/OSSerialize.cpp
+++ xnu/xnu-2050.9.2/libkern/c++/OSSerialize.cpp
@@ -36,8 +36,6 @@
 #include <libkern/c++/OSContainers.h>
 #include <libkern/c++/OSLib.h>
 #include <libkern/c++/OSDictionary.h>
-#include <libkern/OSSerializeBinary.h>
-#include <IOKit/IOLib.h>
 
 #define super OSObject
 
@@ -51,6 +49,14 @@
 OSMetaClassDefineReservedUnused(OSSerialize, 6);
 OSMetaClassDefineReservedUnused(OSSerialize, 7);
 
+#if OSALLOCDEBUG
+extern "C" {
+    extern int debug_container_malloc_size;
+};
+#define ACCUMSIZE(s) do { debug_container_malloc_size += (s); } while(0)
+#else
+#define ACCUMSIZE(s)
+#endif
 
 char * OSSerialize::text() const
 {
@@ -59,17 +65,8 @@
 
 void OSSerialize::clearText()
 {
-	if (binary)
-	{
-		length = sizeof(kOSSerializeBinarySignature);
-		bzero(&data[length], capacity - length);
-		endCollection = true;
-	}
-    else
-    {
-		bzero((void *)data, capacity);
-		length = 1;
-    }
+	bzero((void *)data, capacity);
+	length = 1;
 	tag = 0;
 	tags->flushCollection();
 }
@@ -78,8 +75,6 @@
 {
 	char temp[16];
 	OSString *tagString;
-
-	if (binary) return (binarySerialize(o));
 
 	// look it up
 	tagString = (OSString *)tags->getObject((const OSSymbol *) o);
@@ -106,11 +101,6 @@
 
 bool OSSerialize::addXMLStartTag(const OSMetaClassBase *o, const char *tagString)
 {
-	if (binary)
-    {
-		printf("class %s: xml serialize\n", o->getMetaClass()->getClassName());
-		return (false);
-	}
 
 	if (!addChar('<')) return false;
 	if (!addString(tagString)) return false;
@@ -134,12 +124,6 @@
 
 bool OSSerialize::addChar(const char c)
 {
-	if (binary)
-    {
-		printf("xml serialize\n");
-		return (false);
-	}
-
 	// add char, possibly extending our capacity
 	if (length >= capacity && length >=ensureCapacity(capacity+capacityIncrement))
 		return false;
@@ -177,7 +161,7 @@
     // allocate from the kernel map so that we can safely map this data
     // into user space (the primary use of the OSSerialize object)
     
-    kern_return_t rc = kmem_alloc(kernel_map, (vm_offset_t *)&data, capacity, IOMemoryTag(kernel_map));
+    kern_return_t rc = kmem_alloc(kernel_map, (vm_offset_t *)&data, capacity);
     if (rc) {
         tags->release();
         tags = 0;
@@ -186,7 +170,7 @@
     bzero((void *)data, capacity);
 
 
-    OSCONTAINER_ACCUMSIZE(capacity);
+    ACCUMSIZE(capacity);
 
     return true;
 }
@@ -226,14 +210,13 @@
 					(vm_offset_t)data,
 					capacity,
 					(vm_offset_t *)&newData,
-					newCapacity,
-					VM_KERN_MEMORY_IOKIT);
+					newCapacity);
 	if (!rc) {
-	    OSCONTAINER_ACCUMSIZE(newCapacity);
+	    ACCUMSIZE(newCapacity);
 
 	    // kmem realloc does not free the old address range
 	    kmem_free(kernel_map, (vm_offset_t)data, capacity); 
-	    OSCONTAINER_ACCUMSIZE(-((size_t)capacity));
+	    ACCUMSIZE(-capacity);
 	    
 	    // kmem realloc does not zero out the new memory
 	    // and this could end up going to user land
@@ -253,7 +236,7 @@
 
     if (data) {
 	kmem_free(kernel_map, (vm_offset_t)data, capacity); 
-        OSCONTAINER_ACCUMSIZE( -((size_t)capacity) );
+        ACCUMSIZE( -capacity );
     }
     super::free();
 }