diff --git a/arch/um/sys-i386/delay.c b/arch/um/sys-i386/delay.c
index e9892ee..2c11b97 100644
--- a/arch/um/sys-i386/delay.c
+++ b/arch/um/sys-i386/delay.c
@@ -1,5 +1,7 @@
-#include "linux/delay.h"
-#include "asm/param.h"
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <asm/param.h>
 
 void __delay(unsigned long time)
 {
@@ -20,13 +22,19 @@
 	int i, n;
 
 	n = (loops_per_jiffy * HZ * usecs) / MILLION;
-	for(i=0;i<n;i++) ;
+        for(i=0;i<n;i++)
+                cpu_relax();
 }
 
+EXPORT_SYMBOL(__udelay);
+
 void __const_udelay(unsigned long usecs)
 {
 	int i, n;
 
 	n = (loops_per_jiffy * HZ * usecs) / MILLION;
-	for(i=0;i<n;i++) ;
+        for(i=0;i<n;i++)
+                cpu_relax();
 }
+
+EXPORT_SYMBOL(__const_udelay);