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Date:	Wed, 07 Oct 2015 05:10:01 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH net-next] tcp: ensure prior synack rtx behavior with
 small backlogs

From: Eric Dumazet <>
Date: Tue, 06 Oct 2015 14:49:58 -0700

> From: Eric Dumazet <>
> Some applications use a listen() backlog of 1.
> Prior kernels were silently enforcing a qlen_log of 4, so that we were
> sending up to /proc/sys/net/ipv4/tcp_synack_retries SYNACK messages.
> Fixes: ef547f2ac16b ("tcp: remove max_qlen_log")
> Signed-off-by: Eric Dumazet <>

Applied, thanks Eric.
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