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SubjectRe: [PATCH] tcpdump may trace some outbound packets twice.
From: Ranjit Manomohan <>
Date: Mon, 15 May 2006 14:19:06 -0700 (PDT)

> Heres a new version which does a copy instead of the clone to avoid
> the double cloning issue.

I still very much dislike this patch because it is creating
1 more clone per packet than is actually necessary and that
is very expensive.

dev_queue_xmit_nit() is going to clone whatever SKB you send into
there, so better to just bump the reference count (with skb_get())
instead of cloning or copying.
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