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From: Steve Modica <modica@sgi.com>
To: netdev@oss.sgi.com
Subject: Re: mod_timer improvement
Date: Thu, 02 Oct 2003 12:15:14 -0500	[thread overview]
Message-ID: <3F7C5D22.7010103@sgi.com> (raw)
In-Reply-To: <3F7C5863.1080403@sgi.com>

D'OH! Sorry about the formatting.  I think this is better:


@@ -207,6 +207,14 @@
         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
work: 651-683-3224
mobile: 651-261-3201
MTS-Technical Lead
"Give a man a fish, and he will eat for a day, hit him with a fish and
he leaves you alone" - me

  reply	other threads:[~2003-10-02 17:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-02 16:54 mod_timer improvement Steve Modica
2003-10-02 17:15 ` Steve Modica [this message]
2003-10-03  6:40   ` David S. Miller
  -- strict thread matches above, loose matches on Subject: below --
2003-10-02 18:20 Steve Modica

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