netdev - Re: [PATCH net-next-2.6] ipv6: speedup inet6_dump

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]

Date:	Fri, 13 Nov 2009 20:50:34 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, shemminger@...tta.com
Subject: Re: [PATCH net-next-2.6] ipv6: speedup inet6_dump_addr()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 12 Nov 2009 15:11:50 +0100

> When handling large number of netdevices, inet6_dump_addr()
> is very slow because it has O(N^2) complexity.
> 
> Instead of scanning one single list, we can use the NETDEV_HASHENTRIES
> sub lists of the dev_index hash table, and RCU lookups.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
--
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