diff -ur linux-2.5.67-ia64-hrtcore/include/linux/limits.h linux-2.5.67-ia64-hrtimers/include/linux/limits.h
--- linux-2.5.67-ia64-hrtcore/include/linux/limits.h	2003-04-22 11:10:44.000000000 +0200
+++ linux-2.5.67-ia64-hrtimers/include/linux/limits.h	2003-05-06 13:45:48.000000000 +0200
@@ -17,6 +17,8 @@
 #define XATTR_SIZE_MAX 65536	/* size of an extended attribute value (64k) */
 #define XATTR_LIST_MAX 65536	/* size of extended attribute namelist (64k) */
 
+#define DELAYTIMER_MAX INT_MAX	/* # timer expiration overruns a POSIX.1b timer may have */
+
 #define RTSIG_MAX	  32
 
 #endif
diff -ur linux-2.5.67-ia64-hrtcore/include/linux/posix-timers.h linux-2.5.67-ia64-hrtimers/include/linux/posix-timers.h
--- linux-2.5.67-ia64-hrtcore/include/linux/posix-timers.h	2003-04-22 11:10:44.000000000 +0200
+++ linux-2.5.67-ia64-hrtimers/include/linux/posix-timers.h	2003-05-06 16:07:56.000000000 +0200
@@ -25,6 +59,7 @@
 
 #define posix_bump_timer(timr) do { \
                         (timr)->it_timer.expires += (timr)->it_incr; \
-                        (timr)->it_overrun++;               \
+                        if ((timr)->it_overrun < DELAYTIMER_MAX)\
+                            (timr)->it_overrun++;               \
                        }while (0)
 #endif