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Subject: Re: [PATCH 09/27] nfs: writeback pages wait queue
From: Peter Zijlstra <peterz@infradead.org>
To: Wu Fengguang <fengguang.wu@intel.com>
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Date: Fri, 04 Mar 2011 15:41:13 +0100
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On Fri, 2011-03-04 at 22:38 +0800, Wu Fengguang wrote:
> Sorry for being ignorance on the memory barriers..

n/p, everybody who encounters them seems to be a bit confused at first
and a lot more confused later :-)

> The below patch removes the unnecessary smp_mb__after_clear_bit(). 

OK, thanks!