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Date:	Tue, 05 Nov 2013 23:48:31 -0500 (EST)
From:	David Miller <>
Subject: Re: [PATCH net-next 0/3] IPsec improvements

From: Mathias Krause <>
Date: Tue,  5 Nov 2013 14:54:08 +0100

> This series moves pskb_put() to the core code -- making the code
> duplication in caif obsolete (patches 1 and 2).
> Additionally does this series optimize the IPsec receive path in patch 3
> by allowing skb_cow_data() to leave the buffer fragmented. I noticed the
> linearization to be a bottleneck when doing some VPN gateway benchmarks.
> Linearization of the buffer isn't needed in the receive path as the
> crypto API (and all other users of skb_cow_data) can handle sg.
> With patch 3 applied I was able to increase the throughput of an IPsec
> gateway from 7.12 Gbit/s to 7.28 Gbit/s.

Please deal with the feedback given to you by Ben about referring to
variables with the '@' prefix consistently in comments, then resend
this entire patch series.

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