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Date: Mon, 20 Jun 2016 16:46:23 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Arjan van de Ven <arjanvandeven@gmail.com>
cc: Eric Dumazet <edumazet@google.com>, LKML <linux-kernel@vger.kernel.org>,
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        Linus Torvalds <torvalds@linux-foundation.org>,
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        Len Brown <lenb@kernel.org>
Subject: Re: [patch V2 00/20] timer: Refactor the timer wheel
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On Mon, 20 Jun 2016, Arjan van de Ven wrote:
> On Mon, Jun 20, 2016 at 6:56 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > 2) Cut off at 37hrs for HZ=1000. We could make this configurable as a 1000HZ
> >    option so datacenter folks can use this and people who don't care and want
> >    better batching for power can use the 4ms thingy.
> 
> 
> if there really is one user of such long timers... could we possibly
> make that one robust against early fire of the timer?
> 
> eg rule is: if you set timers > 37 hours, you need to cope with early timer fire

The only user I found is networking contrack (5 days). Eric thought its not a
big problem if it fires earlier.

Thanks,

	tglx