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

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Message-Id: <20091110.223451.211569935.davem@davemloft.net>
Date:	Tue, 10 Nov 2009 22:34:51 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] ipv6: speedup inet6_dump_ifinfo()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 09 Nov 2009 23:11:28 +0100

> When handling large number of netdevice, inet6_dump_ifinfo()
> is very slow because it has O(N^2) complexity.
> 
> Instead of scanning one single list, we can use the 256 sub lists
> of the dev_index hash table, and RCU lookups.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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