--- 2.4.6pre2aa1/include/linux/sched.h.~1~	Wed Jun 13 00:44:45 2001
+++ 2.4.6pre2aa1/include/linux/sched.h	Wed Jun 13 00:47:23 2001
@@ -541,7 +541,7 @@
 extern unsigned long volatile jiffies;
 extern unsigned long itimer_ticks;
 extern unsigned long itimer_next;
-extern struct timeval xtime;
+extern volatile struct timeval xtime;
 extern void do_timer(struct pt_regs *);
 
 extern unsigned int * prof_buffer;