Messages in this thread Patch in this message | | | Date | Tue, 09 Jul 2002 00:06:41 -0700 | From | Andrew Morton <> | Subject | Re: readprofile from 2.5.25 web server benchmark |
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Dave Hansen wrote: > > ... > > I'd be interested in the effect of the latter. It's very 2.4-able. > > Do you mean 2.5-able? > http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=smptimers+2.5 > > I found a couple of 2.5.*teen patches, but they're miles away from > applying cleanly. Work for tomorrow, sigh... >
Nah. I mean this technological gem:
--- 2.5.25/kernel/timer.c~timer-speedup Tue Jul 9 00:04:33 2002 +++ 2.5.25-akpm/kernel/timer.c Tue Jul 9 00:06:09 2002 @@ -211,6 +211,9 @@ int mod_timer(struct timer_list *timer, int ret; unsigned long flags; + if (timer_pending(timer) && timer->expires == expires) + return 1; + spin_lock_irqsave(&timerlist_lock, flags); timer->expires = expires; ret = detach_timer(timer); - - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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