netdev - Re: [RFC PATCH 4/4] inet: use second hash in inet_csk_get

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Message-ID: <1338396172.2760.294.camel@edumazet-glaptop>
Date:	Wed, 30 May 2012 18:42:52 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alexandru Copot <alex.mihai.c@...il.com>
Cc:	davem@...emloft.net, gerrit@....abdn.ac.uk, kuznet@....inr.ac.ru,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net,
	netdev@...r.kernel.org, Daniel Baluta <dbaluta@...acom.com>,
	Lucian Grijincu <lucian.grijincu@...il.com>
Subject: Re: [RFC PATCH 4/4] inet: use second hash in inet_csk_get_port

On Wed, 2012-05-30 at 10:36 +0300, Alexandru Copot wrote:

> diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
> index bc06168..2f589bb 100644
> --- a/include/net/inet_hashtables.h
> +++ b/include/net/inet_hashtables.h
> @@ -81,6 +81,15 @@ struct inet_bind_bucket {
>  	struct net		*ib_net;
>  #endif
>  	unsigned short		port;
> +	union {
> +		struct in6_addr ib_addr_ipv6;
> +		struct {
> +			__be32	_1;
> +			__be32	_2;
> +			__be32	_3;
> +			__be32	ib_addr_ipv4;
> +		};
> +	};
>  	signed short		fastreuse;
>  	int			num_owners;
>  	struct hlist_node	node;

Yet another poor choice, adding two holes in this structure.


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