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Date:	Fri, 08 Jun 2007 01:06:29 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jens.axboe@...cle.com
Cc:	johnpol@....mipt.ru, netdev@...r.kernel.org
Subject: Re: [PATCH][RFC] network splice receive

From: Jens Axboe <jens.axboe@...cle.com>
Date: Fri, 8 Jun 2007 09:48:24 +0200

> Perhaps it's possible to solve this at a different level - can we hang
> on to the skb until the pipe buffer has been consumed, and prevent reuse
> that way? Then we don't have to care what backing the skb has, as long
> as it (and its data) isn't being reused until we drop the reference to
> it in sock_pipe_buf_release().

Depending upon whether the pipe buffer consumption is bounded of not,
this will jam up the TCP sender because the SKB data allocation is
charged against the socket send buffer allocation.
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