mod_timer improvement

Sorry about the screwed up formatting! I'm kinda new at this :)

*** linux/linux/kernel/timer.c       2003/08/11 20:16:19     1.23
--- linux/linux/kernel/timer.c       2003/10/01 21:09:20     1.24
*************** int mod_timer(struct timer_list *timer,
*** 207,212 ****
--- 207,220 ----
        int ret;
        unsigned long flags;

+ /*

+        * This is a common optimization triggered by the
+        * networking code - if the timer is re-modified
+        * to be the same thing then just return:
+        */
+         if (timer->expires == expires && timer_pending(timer))
+                return 1;
+
        spin_lock_irqsave(&timerlist_lock, flags);
        timer->expires = expires;
        ret = detach_timer(timer);

Steve Modica
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mobile: 651-261-3201
MTS-Technical Lead
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