netdev - Re: [net-next 03/12] i40e: Handle a single mss packet with more than 8 frags

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Message-ID: <1416234687.5102.2.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 17 Nov 2014 06:31:27 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	Serey Kong <serey.kong@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"nhorman@...hat.com" <nhorman@...hat.com>,
	"sassmann@...hat.com" <sassmann@...hat.com>,
	"jogreene@...hat.com" <jogreene@...hat.com>,
	Shannon Nelson <shannon.nelson@...el.com>
Subject: Re: [net-next 03/12] i40e: Handle a single mss packet with more
 than 8 frags

On Mon, 2014-11-17 at 14:15 +0000, David Laight wrote:

> Didn't someone write a function that significantly reduces the
> number of fragments without actually requiring a single linear block?

I presume you refer to alloc_skb_with_frags() : It does the allocation,
but I was expecting some kind soul to continue my work and provide the
companion code to do the copy.

http://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=2e4e44107176d552f8bb1bb76053e850e3809841

So far nobody took care of it.

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