diff -r 10df35fbf0b7 -r 3b3c2fb85d58 hotspot/agent/src/os/linux/libproc.h
--- a/hotspot/agent/src/os/linux/libproc.h	Fri Dec 11 18:54:22 2015 +0000
+++ b/hotspot/agent/src/os/linux/libproc.h	Fri Dec 11 13:36:15 2015 -0800
@@ -69,6 +69,7 @@
 
 
 #if defined(sparc) || defined(sparcv9) || defined(ppc64)
+#include <asm/ptrace.h>
 #define user_regs_struct  pt_regs
 #endif
 #if defined(aarch64)