From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 16 May 2007 16:40:59 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
Subject: Re: [PATCH 1/2] scalable rw_mutex
In-Reply-To: <20070516162829.23f9b1c4.akpm@linux-foundation.org>
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References: <20070511131541.992688403@chello.nl> <20070511132321.895740140@chello.nl>
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 <20070511110522.ed459635.akpm@linux-foundation.org> <p73odkpeusf.fsf@bingen.suse.de>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Oleg Nesterov <oleg@tv-sign.ru>, Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>, Nick Piggin <npiggin@suse.de>
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On Wed, 16 May 2007, Andrew Morton wrote:

> (I hope.  Might have race windows in which the percpu_counter_sum() count is
> inaccurate?)

The question is how do these race windows affect the locking scheme?

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