Index: arch/ppc64/include/proc/task.h
===================================================================
--- arch/ppc64/include/proc/task.h	(revision a6d4cebe4e2af4fd70f49dc2ffb18186d4447b4a)
+++ arch/ppc64/include/proc/task.h	(revision e18513605138ed5ade2b0790ff61558f63de59df)
@@ -33,3 +33,5 @@
 } task_arch_t;
 
+#define task_create_arch(t)
+
 #endif