From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johann Baudy <johann.baudy@gnu-log.net>
Subject: Re: [PATCH] TX_RING and packet mmap
Date: Tue, 21 Apr 2009 15:16:49 +0200
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Cc: Herbert Xu <herbert@gondor.apana.org.au>, netdev@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Patrick McHardy <kaber@trash.net>, jamal <hadi@cyberus.ca>
To: Evgeniy Polyakov <zbr@ioremap.net>
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Hi Evgeniy,
> It cals skb_release_data() which should invoke shared area destructor
> before being freed.

Yes but in this case, it will be called twice, as shared info (that
contains destructor) is memcopied to new expanded head.
shared info destructor will be excuted two times on "same" data
(during skb_expand_head() and during kfree_skb())
Actually, I want to know if this behavior is intended with a new
shared info destructor.

Thanks
-- 
Johann Baudy