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Message-Id: <20100113220755.7ad6286f.akpm@linux-foundation.org> Date: Wed, 13 Jan 2010 22:07:55 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Arjan van de Ven <arjan@...radead.org> Cc: linux-kernel@...r.kernel.org, tglx@...x.de, mingo@...e.hu, Cyrill Gorcunov <gorcunov@...il.com>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [PATCH] timers: Introduce the concept of timer slack for legacy timers On Wed, 13 Jan 2010 21:45:28 -0800 Arjan van de Ven <arjan@...radead.org> wrote: > On Wed, 13 Jan 2010 13:52:19 -0800 > Andrew Morton <akpm@...ux-foundation.org> wrote: > > > I suppose this could be inlined. > > .. and then I expand it a bit in a few weeks and guess who complains an > inline gets too big ? ;-) > Me! You're proposing that we include trivially-fixed overhead to every Linux machine in the world to save ourselves 15 minutes effort? Nope, bad tradeoff. > > > > But the set_timer_slack() interface has no callers. Perhaps it > > should? > > I have some callers pending, and I thought I posted those to lkml but > maybe I did not. hm. Have you any feeling for how much power this sort of thing saves? I guess "change in interrupts per minute" would be easy to measure. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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