Index: kernel/arch/sparc64/src/sun4v/start.S
===================================================================
--- kernel/arch/sparc64/src/sun4v/start.S	(revision 2902e1bb4254bbfdd521b4645e8979af80734627)
+++ kernel/arch/sparc64/src/sun4v/start.S	(revision b3cf94696741d529bde1e5bbdf993a27d72136cc)
@@ -345,4 +345,13 @@
 	.quad 0
 
+/*
+ * This variable is used by the fast_data_access_MMU_miss trap handler.
+ * In runtime, it is modified to contain the address of the end of physical
+ * memory.
+ */
+.global end_of_identity
+end_of_identity:
+	.quad -1
+
 .global kernel_8k_tlb_data_template
 kernel_8k_tlb_data_template: