netdev - Re: Socket buffer sizes with autotuning

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Message-Id: <20080512.205837.215391489.davem@davemloft.net>
Date:	Mon, 12 May 2008 20:58:37 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hkchu@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: Socket buffer sizes with autotuning

From: "Jerry Chu" <hkchu@...gle.com>
Date: Mon, 12 May 2008 20:56:16 -0700

> If true, can we use some atomic operation to zap in_flight, but also
> return to the caller if in_flight has been nullified already so that
> the accounting can be handled correctly?

xchg() should work for that purpose.
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