netdev - Re: [RFC v2] mac80211: assign needed

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Message-ID: <20080506013253.GA13460@gondor.apana.org.au>
Date:	Tue, 6 May 2008 09:32:53 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	johannes@...solutions.net, tomasw@...il.com,
	linville@...driver.com, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: [RFC v2] mac80211: assign needed_headroom/tailroom for netdevs

On Mon, May 05, 2008 at 04:39:16PM -0700, David Miller wrote:
> 
> On free, since skb->nohdr is set, we'll decrement both of (1 <<
> SKB_DATAREF_SHIFT) and the low 16-bit counter.

skb->nohdr is cleared for clones.  Only the copy held by TCP
should have it set.  So this should work correctly, in theory :)

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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