Index: arch/ppc64/include/proc/task.h
===================================================================
--- arch/ppc64/include/proc/task.h	(revision a6d4cebe4e2af4fd70f49dc2ffb18186d4447b4a)
+++ arch/ppc64/include/proc/task.h	(revision 0ddeabc57b1d75f43de34a8874ed2d9af0416f7e)
@@ -33,3 +33,5 @@
 } task_arch_t;
 
+#define task_create_arch(t)
+
 #endif