diff --git a/src/system/kernel/arch/ppc/arch_cpu.c b/src/system/kernel/arch/ppc/arch_cpu.c
index 1fa430f27b..0037a9d3c3 100644
--- a/src/system/kernel/arch/ppc/arch_cpu.c
+++ b/src/system/kernel/arch/ppc/arch_cpu.c
@@ -32,6 +32,12 @@ arch_cpu_init_post_vm(kernel_args *args)
 	return B_OK;
 }
 
+status_t
+arch_cpu_init_post_modules(kernel_args *args)
+{
+	return B_OK;
+}
+
 #define CACHELINE 32
 
 void 
@@ -111,6 +117,13 @@ arch_cpu_global_TLB_invalidate(void)
 }
 
 
+void 
+arch_cpu_user_TLB_invalidate(void)
+{
+	// TODO: Implement!
+}
+
+
 // ToDo: doesn't belong here!
 #if 0
 long long