netdev - Re: [PATCH 9/9] fix sparse warnings

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Date:	Mon, 14 Jan 2008 18:34:03 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Robert Olsson <Robert.Olsson@...a.slu.se>
Cc:	Stephen Hemminger <stephen.hemminger@...tta.com>,
	David Miller <davem@...emloft.net>,
	Robert Olsson <robert.olsson@....uu.se>, netdev@...r.kernel.org
Subject: Re: [PATCH 9/9] fix sparse warnings

Robert Olsson a écrit :
> Thanks for hacking and improving and the trie... another idea that could
> be also tested. If we look into routing table we see that most leafs 
> only has one prefix
>
> Main:
>         Aver depth:     2.57
>         Max depth:      7
>         Leaves:         231173
>
> ip route | wc -l 
> 241649
>
> Thats 231173/241649 = 96% with the current Internet routing.
>
> How about if would have a fastpath and store one entry direct in the 
> leaf struct this to avoid loading the leaf_info list in most cases?
>
> One could believe that both lookup and dump could improve.
>
>   
You mean to include one "leaf_info" inside leaf structure, so that we 
can access it without cache line miss ?





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