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Message-ID: <CANn89iKXPu=RKkLop4NJWZLixE__qYV2S=PngSj6ienuvWWL8g@mail.gmail.com>
Date: Fri, 27 Jul 2018 20:38:44 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: Yafang Shao <laoar.shao@...il.com>
Cc: David Miller <davem@...emloft.net>,
netdev <netdev@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 1/2] tcp: call tcp_drop() in tcp collapse
On Fri, Jul 27, 2018 at 8:35 PM Yafang Shao <laoar.shao@...il.com> wrote:
> So what about LINUX_MIB_TCPOFOMERGE ?
> Regarding LINUX_MIB_TCPOFOMERGE, a skb is already covered by another
> skb, is that dropping the packet or simply lowering the memory
> overhead ?
What do you think ?
If you receive two times the same payload, don't you have to drop one
of the duplicate ?
There is a a big difference between the two cases.
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