diff --git a/include/linux/mm.h b/include/linux/mm.h
index a929ea1..ff1fa87 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1065,5 +1065,7 @@
 extern int randomize_va_space;
 #endif
 
+const char *arch_vma_name(struct vm_area_struct *vma);
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 349ef90..bee12a7 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -189,6 +189,7 @@
 	VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */
 	VM_ZONE_RECLAIM_INTERVAL=32, /* time period to wait after reclaim failure */
 	VM_PANIC_ON_OOM=33,	/* panic at out-of-memory */
+	VM_VDSO_ENABLED=34,	/* map VDSO into new processes? */
 };