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Date: Wed, 11 Nov 2009 13:46:17 +0100
From: Jens Axboe <jens.axboe@oracle.com>
To: Randy Dunlap <randy.dunlap@oracle.com>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] block core: use round_jiffies on timer to reduce
	wakeups
Message-ID: <20091111124617.GN8742@kernel.dk>
References: <4AFA03BB.90405@oracle.com>
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On Tue, Nov 10 2009, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@oracle.com>
> 
> Use round_jiffies() variant to schedule the timer along with
> other timer wakeups on the same CPU.
> 
> Source file also needs to include jiffies.h since it uses
> functions or macros from it.

round_jiffies() rounds to the next second, that's way too far away for
an event that should trigger within msecs.

-- 
Jens Axboe