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Date:	Tue, 03 Jul 2007 14:25:54 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH] [TCP]: Fix logic breakage due to DSACK separation

From: "Ilpo_Järvinen" <>
Date: Tue, 3 Jul 2007 13:52:35 +0300 (EEST)

> 1. fack_count in skb (your proposal months ago)
>    + Trivial arithmetics, no walking necessary to find it (ever)
>    - Very expensive in storage wise (like you have stated earlier)

We have a 4-byte hole in sk_buff currently on 64-bit
(right after the 'iif' member), however it's hard to
crib those 4-bytes into the ->cb[] area where we need
it since the cb needs to be 8-byte aligned.

I'm not against making some space if it makes things
exceedingly easier.
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