--- a/hotspot/agent/src/os/linux/libproc.h	Fri Jan 25 16:09:14 2013 -0800
+++ b/hotspot/agent/src/os/linux/libproc.h	Fri Jan 25 16:50:33 2013 -0800
@@ -79,14 +79,6 @@
 
 *************************************************************************************/
 
-#ifdef ia64
-struct user_regs_struct {
-/* copied from user.h which doesn't define this in a struct */
-
-#define IA64_REG_COUNT (EF_SIZE/8+32)   /* integer and fp regs */
-unsigned long   regs[IA64_REG_COUNT];     /* integer and fp regs */
-};
-#endif
 
 #if defined(sparc)  || defined(sparcv9)
 #define user_regs_struct  pt_regs