netdev - Re: [RFC 6/6] fib_trie: combine leaf and info

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Date:	Tue, 15 Jan 2008 07:16:30 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Stephen Hemminger <stephen.hemminger@...tta.com>
CC:	David Miller <davem@...emloft.net>, robert.olsson@....uu.se,
	netdev@...r.kernel.org
Subject: Re: [RFC 6/6] fib_trie: combine leaf and info

Eric Dumazet a écrit :
> Stephen Hemminger a écrit :
>> Combine the prefix information and the leaf together into one
>> allocation. This is furthur simplified by converting the hlist
>> into a simple bitfield.
>>
>> Signed-off-by: Stephen Hemminger <stephen.hemminger@...tta.com>
>>
>> This patch is experimental (ie it boots and loads routes), but
>> is slower for the 163,000 route dump test.
>>
> 
> Its also very memory expensive. That was not Robert suggestion I believe.
> 
> Its suggestion is to embedd one info into each leaves.
> 
> Please find attached to this mail a preliminary and incomplete patch I 
> wrote this morning before coffee :), to get the idea.

Oops, patch reversed, sorry, and against another work pending in my tree.

Now time for cofee :)


View attachment "info_embedded.patch" of type "text/plain" (3671 bytes)