From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v4] net: Allow no-cache copy from user on transmit
Date: Tue, 05 Apr 2011 04:56:40 -0700 (PDT)
Message-ID: <20110405.045640.133903374.davem@davemloft.net>
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From: Tom Herbert <therbert@google.com>
Date: Mon, 4 Apr 2011 21:03:30 -0700 (PDT)

> This patch uses __copy_from_user_nocache on transmit to bypass data
> cache for a performance improvement.  skb_add_data_nocache and
> skb_copy_to_page_nocache can be called by sendmsg functions to use
> this feature, initial support is in tcp_sendmsg.  This functionality is
> configurable per device using ethtool.
 ...
> Signed-off-by: Tom Herbert <therbert@google.com>

Applied, thanks Tom.