[PATCH] m68knommu definition of TASK_UNMAPPED_BASE

This patch adds a definition for TASK_UNMAPPED_BASE in m68knommu
process.h.  Recent changes need a definition for this, although its
value is unsed for nommu targets.

include/asm-m68knommu/processor.h

@@ -49,6 +49,12 @@ extern inline void wrusp(unsigned long usp)
  */
 #define TASK_SIZE	(0xF0000000UL)
 
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's. We won't be using it
+ */
+#define TASK_UNMAPPED_BASE	0
+
 /*
  * Bus types
  */