netdev - Re: [PATCH net-next] net: implement tcp coalescing in tcp_queue

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Message-Id: <20120502.222146.1074440914668198833.davem@davemloft.net>
Date:	Wed, 02 May 2012 22:21:46 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	alexander.duyck@...il.com, alexander.h.duyck@...el.com,
	netdev@...r.kernel.org, ncardwell@...gle.com, therbert@...gle.com,
	jeffrey.t.kirsher@...el.com, mchan@...adcom.com,
	mcarlson@...adcom.com, herbert@...dor.hengli.com.au,
	bhutchings@...arflare.com, ilpo.jarvinen@...sinki.fi,
	maze@...gle.com
Subject: Re: [PATCH net-next] net: implement tcp coalescing in
 tcp_queue_rcv()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 03 May 2012 04:14:20 +0200

> My next step is to provide a common helper to NAPI drivers to replace 
> netdev_alloc_skb_ip_align(struct net_device *dev, unsigned int len)
> 
> by :
> 
> struct sk_buff *napi_alloc_rxskb(struct napi_struct *napi, unsigned int len)
> 
> That will manage a cache of one page, splitted in fragments as needed.
> (roughly the code we added in tg3 as POC)
> 
> Because converting drivers to build_skb() is a too slow process.

Sounds good.
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