netdev - Re: [RFC] allow skb->head to point/alias to first skb frag

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Message-Id: <20120426.161221.923108657396544878.davem@davemloft.net>
Date:	Thu, 26 Apr 2012 16:12:21 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	maze@...gle.com, ilpo.jarvinen@...sinki.fi, rick.jones2@...com,
	netdev@...r.kernel.org, therbert@...gle.com, ncardwell@...gle.com,
	ycheng@...gle.com
Subject: Re: [RFC] allow skb->head to point/alias to first skb frag

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 26 Apr 2012 15:50:52 +0200

> Here is the raw patch. (tg3 part is dirty and needs some helpers)
> 
> I am working on the TCP coalesce part, the splice() helpers (to avoid a
> copy), and split in five different patches for further
> discussion/inclusion.

Ok, I like it.

I was confused into thinking that you were going to put this head page
into skb_shared_info()'s page vector.  But you're not.

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