diff --git a/include/asm-x86_64/ptrace.h b/include/asm-x86_64/ptrace.h
index 5ea84dbb1e9c..7f166ccb0606 100644
--- a/include/asm-x86_64/ptrace.h
+++ b/include/asm-x86_64/ptrace.h
@@ -1,6 +1,7 @@
 #ifndef _X86_64_PTRACE_H
 #define _X86_64_PTRACE_H
 
+#include <linux/compiler.h>	/* For __user */
 #include <asm/ptrace-abi.h>
 
 #ifndef __ASSEMBLY__