From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tom Herbert <therbert@google.com>
Subject: Re: [PATCH v3] xmit_compl_seq: information to reclaim vmsplice buffers
Date: Mon, 27 Sep 2010 14:49:27 -0700
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Cc: "Michael S. Tsirkin" <mst@redhat.com>, netdev@vger.kernel.org,
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> Alternative would be to copy data on retransmits, for tcp sockets using
> SOCK_XMIT_COMPL_SEQ. (ie not using skb_clone but skb_copy())
>

That's coming awfully close to COW! ;-)

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