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From: Eric Dumazet <dada1@cosmosbay.com>
To: Robert Olsson <Robert.Olsson@data.slu.se>
Cc: Stephen Hemminger <stephen.hemminger@vyatta.com>,
	David Miller <davem@davemloft.net>,
	robert.olsson@its.uu.se, netdev@vger.kernel.org
Subject: Re: [RFC 6/6] fib_trie: combine leaf and info
Date: Tue, 15 Jan 2008 22:16:23 +0100	[thread overview]
Message-ID: <478D22A7.6080506@cosmosbay.com> (raw)
In-Reply-To: <18317.5368.952926.46132@robur.slu.se>

Robert Olsson a écrit :
> 
> Stephen Hemminger writes:
>  > This is how I did it:
> 
>  Yes looks like an elegant solution. Did you even test it?
>  Maybe we see some effects in just dumping a full table?
> 
>  Anyway lookup should be tested in some way. We can a lot
>  of analyzing before getting to right entry, local_table
>  backtracking, main lookup w. ev. backtracking etc.  So
>  hopefully we get paid for this work.
> 
>  Also it might be idea to do some analysis of the fib_aliases
>  list. Maybe the trick can be done again? ;)
> 

Back in 2.6.9 times, sizeof(bi_alias) was 16 bytes on i386

Nowadays, 64/128 bytes are the norm :(

SLAB_HWCACHE_ALIGN is not our friend.


  reply	other threads:[~2008-01-15 21:16 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20080112064513.803976049@linux-foundation.org>
     [not found] ` <20080112064646.659443238@linux-foundation.org>
2008-01-12 11:16   ` [PATCH 9/9] fix sparse warnings Eric Dumazet
2008-01-12 11:28     ` David Miller
2008-01-12 21:08     ` Stephen Hemminger
2008-01-14 11:07       ` Robert Olsson
2008-01-14 17:34         ` Eric Dumazet
2008-01-14 17:59           ` Robert Olsson
2008-01-14 19:27             ` [FIB]: Avoid using static variables without proper locking Eric Dumazet
2008-01-15  7:10               ` David Miller
2008-01-12 21:09     ` [PATCH 9/9] fix sparse warnings Stephen Hemminger
2008-01-13  5:28       ` David Miller
2008-01-13 18:30     ` [FIB]: full_children & empty_children should be uint, not ushort Eric Dumazet
2008-01-13 22:02       ` Robert Olsson
2008-01-14  6:32         ` David Miller
2008-01-13  5:25   ` [PATCH 9/9] fix sparse warnings David Miller
     [not found] ` <20080112064646.056241123@linux-foundation.org>
2008-01-13  4:49   ` [PATCH 1/9] get rid of trie_init David Miller
     [not found] ` <20080112064646.132747871@linux-foundation.org>
2008-01-13  4:50   ` [PATCH 2/9] get rid of unused revision element David Miller
2008-01-14 11:44     ` Robert Olsson
2008-01-14 12:06       ` David Miller
2008-01-14 16:35         ` Stephen Hemminger
2008-01-15  7:07           ` David Miller
     [not found] ` <20080112064646.207183428@linux-foundation.org>
2008-01-13  4:53   ` [PATCH 3/9] move size information to pr_debug() David Miller
     [not found] ` <20080112064646.282104074@linux-foundation.org>
2008-01-13  4:55   ` [PATCH 4/9] statistics improvements David Miller
2008-01-13  5:33     ` Stephen Hemminger
2008-01-13  5:44       ` David Miller
2008-01-14 20:57         ` [PATCH] [IPV4] fib_trie: size and statistics Stephen Hemminger
     [not found]           ` <20080114164450.55f8c9b2@deepthought>
2008-01-15  0:46             ` [PATCH 3/6] [IPV4] trie: put leaf nodes in a slab cache Stephen Hemminger
2008-01-15  0:47               ` [PATCH 4/6] [IPV4] fib_trie style cleanup Stephen Hemminger
2008-01-15  2:58                 ` [PATCH 5/6] [IPV4] fib_trie: checkleaf calling convention Stephen Hemminger
2008-01-15  5:07                   ` [RFC 6/6] fib_trie: combine leaf and info Stephen Hemminger
2008-01-15  6:12                     ` Eric Dumazet
2008-01-15  6:16                       ` Eric Dumazet
2008-01-15 16:19                         ` Stephen Hemminger
2008-01-15 16:44                           ` Robert Olsson
2008-01-15 17:25                             ` Eric Dumazet
2008-01-15 17:47                               ` Stephen Hemminger
2008-01-15 18:10                                 ` Eric Dumazet
2008-01-15 18:15                                   ` Stephen Hemminger
2008-01-15 18:32                                     ` Eric Dumazet
2008-01-15 20:18                                 ` Robert Olsson
2008-01-15 21:16                                   ` Eric Dumazet [this message]
2008-01-15 17:59                               ` Robert Olsson
2008-01-15  6:49               ` [PATCH 3/6] [IPV4] trie: put leaf nodes in a slab cache Eric Dumazet
2008-01-15  7:29               ` David Miller
2008-01-15  5:00           ` [PATCH 2/6] [IPV4] fib hash|trie initialization Stephen Hemminger
2008-01-15  7:14             ` David Miller
2008-01-15  6:55           ` [PATCH] [IPV4] fib_trie: size and statistics Eric Dumazet
2008-01-15  7:28             ` David Miller
2008-01-15  7:12           ` David Miller
     [not found] ` <20080112064646.356466158@linux-foundation.org>
2008-01-13  4:56   ` [PATCH 5/9] use %u for unsigned printfs David Miller
     [not found] ` <20080112064646.432200237@linux-foundation.org>
2008-01-13  4:57   ` [PATCH 6/9] : fib_insert_node cleanup David Miller
     [not found] ` <20080112064646.507015655@linux-foundation.org>
2008-01-13  4:58   ` [PATCH 7/9] printk related cleanups David Miller
     [not found] ` <20080112064646.583836190@linux-foundation.org>
2008-01-13  5:23   ` [PATCH 8/9] add statistics David Miller

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