diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index ff203dd..ceeeb5e 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -13,6 +13,10 @@
 #define asmlinkage CPP_ASMLINKAGE
 #endif
 
+#ifndef asmregparm
+# define asmregparm
+#endif
+
 #ifndef prevent_tail_call
 # define prevent_tail_call(ret) do { } while (0)
 #endif