netdev - Re: [PATCH] [IPV4] fib_trie: size and statistics

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20080114.232816.102558214.davem@davemloft.net>
Date:	Mon, 14 Jan 2008 23:28:16 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	dada1@...mosbay.com
Cc:	shemminger@...ux-foundation.org, robert.olsson@....uu.se,
	netdev@...r.kernel.org, stephen.hemminger@...tta.com
Subject: Re: [PATCH] [IPV4] fib_trie: size and statistics

From: Eric Dumazet <dada1@...mosbay.com>
Date: Tue, 15 Jan 2008 07:55:57 +0100

> Keeping a 'size' counter is not necessary, since trie_collect_stats() must go
> through all the tree and get this information for free.
> 
> This 'size' field only slows down inserts/deletes and dirty a cacheline that 
> readers will hit.

Good point, we can do this better in a follow-on patch.
--
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