netdev - Re: [RFC] tcp: use order-3 pages in tcp

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Message-ID: <1348163031.3440.3.camel@edumazet-glaptop>
Date:	Thu, 20 Sep 2012 19:43:51 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Rick Jones <rick.jones2@...com>
Cc:	Vijay Subramanian <subramanian.vijay@...il.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [RFC] tcp: use order-3 pages in tcp_sendmsg()

On Thu, 2012-09-20 at 10:10 -0700, Rick Jones wrote:
> On 09/19/2012 10:37 PM, Eric Dumazet wrote:
> > loopback is lossless, so its always surprising we can have TCP
> > retransmits on this medium ;)
> 
> Is it lossless?
> 

It is lossless, yes.

But packets can be dropped by TCP stack for various reasons, including
reordering and retransmits.



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