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Date: Sat, 13 Nov 2010 14:26:12 -0800
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Christoph Lameter <cl@linux.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
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        Ingo Molnar <mingo@elte.hu>, Andi Kleen <andi@firstfloor.org>,
        Nick Piggin <npiggin@kernel.dk>
Subject: Re: [PATCH] atomic: add atomic_inc_not_zero_hint()
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On Fri, Nov 12, 2010 at 01:14:12PM -0600, Christoph Lameter wrote:
> 
> prefetchw() would be too much overhead?

No idea.  Where do you believe that prefetchw() should be added?

							Thanx, Paul