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Date: Tue, 03 Jul 2007 14:25:54 -0700 (PDT) From: David Miller <davem@...emloft.net> To: ilpo.jarvinen@...sinki.fi Cc: netdev@...r.kernel.org Subject: Re: [PATCH] [TCP]: Fix logic breakage due to DSACK separation From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi> 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. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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