netdev - Re: [patch 1/2] s390: scatter-gather for inbound traffic in qeth driver

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Message-ID: <469BF149.3060901@garzik.org>
Date:	Mon, 16 Jul 2007 18:29:29 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Ursula Braun <braunu@...ibm.com>
CC:	netdev@...r.kernel.org, linux-s390@...r.kernel.org,
	Frank Blaschka <frank.blaschka@...ibm.com>,
	Frank Pavlic <fpavlic@...ibm.com>
Subject: Re: [patch 1/2] s390: scatter-gather for inbound traffic in qeth
 driver

Ursula Braun wrote:
> From: Frank Blaschka <frank.blaschka@...ibm.com>
> 
> For large incoming packets > PAGE_SIZE/2 qeth creates a fragmented skb
> by adding pointers to qdio pages to the fragment list of the skb.
> This avoids allocating big chunks of consecutive memory. Also copying
> data from the qdio buffer to the skb is economized.
> 
> Signed-off-by: Frank Blaschka <frank.blaschka@...ibm.com>
> Signed-off-by: Ursula Braun <braunu@...ibm.com>
> Signed-off-by: Frank Pavlic <fpavlic@...ibm.com>
> ---
> 
>  drivers/s390/net/qeth.h      |    9 ++
>  drivers/s390/net/qeth_main.c |  182 +++++++++++++++++++++++++++++++++++--------
>  drivers/s390/net/qeth_proc.c |    6 +
>  3 files changed, 165 insertions(+), 32 deletions(-)

applied 1-2


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