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Date:	Tue, 28 Oct 2014 21:15:44 +0900
From:	Toshiaki Makita <>
To:	Eric Dumazet <>,
	David Miller <>
CC:, Herbert Xu <>
Subject: Re: [PATCH net-next] net: skb_segment() should preserve backpressure

On 2014/10/28 2:30, Eric Dumazet wrote:
> From: Toshiaki Makita <>
> This patch generalizes commit d6a4a1041176 ("tcp: GSO should be TSQ
> friendly") to protocols using skb_set_owner_w()
> TCP uses its own destructor (tcp_wfree) and needs a more complex scheme
> as explained in commit 6ff50cd55545 ("tcp: gso: do not generate out of
> order packets")
> This allows UDP sockets using UFO to get proper backpressure,
> thus avoiding qdisc drops and excessive cpu usage.
> [edumazet] Rewrote patch and changelog.

This looks better in performance.
I tested this patch and couldn't find any problem.

Thank you for your reviewing and suggesting,
Toshiaki Makita

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