diff --git a/headers/private/kernel/arch/ppc/arch_vm_types.h b/headers/private/kernel/arch/ppc/arch_vm_types.h
new file mode 100644
index 0000000000..a92b26f3f5
--- /dev/null
+++ b/headers/private/kernel/arch/ppc/arch_vm_types.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _KERNEL_ARCH_PPC_VM_TYPES_H
+#define _KERNEL_ARCH_PPC_VM_TYPES_H
+
+
+#include <SupportDefs.h>
+
+
+struct arch_vm_memory_type {
+	uint32	dummy;
+};
+
+#endif	/* _KERNEL_ARCH_PPC_6VM_TYPES_H */
diff --git a/src/system/kernel/arch/ppc/arch_vm.cpp b/src/system/kernel/arch/ppc/arch_vm.cpp
index 3c813a4805..4e7865ca13 100644
--- a/src/system/kernel/arch/ppc/arch_vm.cpp
+++ b/src/system/kernel/arch/ppc/arch_vm.cpp
@@ -112,3 +112,24 @@ arch_vm_supports_protection(uint32 protection)
 	return true;
 }
 
+
+void
+arch_vm_init_area(vm_area *area)
+{
+}
+
+
+void
+arch_vm_unset_memory_type(vm_area *area)
+{
+}
+
+
+status_t
+arch_vm_set_memory_type(vm_area *area, uint32 type)
+{
+	if (type == 0)
+		return B_OK;
+
+	return B_ERROR;
+}