netdev - Re: [PATCH] No need to inc/dec packet_socks_nr if PACKET_REFCNT

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Date:	Thu, 08 Nov 2007 13:51:30 +0300
From:	"Denis V. Lunev" <den@...ru>
To:	"Denis V. Lunev" <den@...nvz.org>
CC:	davem@...emloft.net, devel@...nvz.org, containers@...ts.osdl.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] No need to inc/dec packet_socks_nr if PACKET_REFCNT_DEBUG
 is not set

pls disregard this, Pavel have sent one similar already

Denis V. Lunev wrote:
> No need to inc/dec packet_socks_nr if PACKET_REFCNT_DEBUG is not set.
> 
> Signed-off-by: Denis V. Lunev <den@...nvz.org>
> 
> --- ./net/packet/af_packet.c.packetrefcnt	2007-11-08 13:48:22.000000000 +0300
> +++ ./net/packet/af_packet.c	2007-11-08 13:54:29.000000000 +0300
> @@ -135,7 +135,9 @@ dev->hard_header == NULL (ll header is a
>     packet classifier depends on it.
>   */
>  
> +#ifdef PACKET_REFCNT_DEBUG
>  static atomic_t packet_socks_nr;
> +#endif
>  
>  
>  /* Private packet socket structures. */
> @@ -232,8 +234,8 @@ static void packet_sock_destruct(struct 
>  		return;
>  	}
>  
> -	atomic_dec(&packet_socks_nr);
>  #ifdef PACKET_REFCNT_DEBUG
> +	atomic_dec(&packet_socks_nr);
>  	printk(KERN_DEBUG "PACKET socket %p is free, %d are alive\n", sk, atomic_read(&packet_socks_nr));
>  #endif
>  }
> @@ -1005,7 +1007,9 @@ static int packet_create(struct net *net
>  	po->num = proto;
>  
>  	sk->sk_destruct = packet_sock_destruct;
> +#ifdef PACKET_REFCNT_DEBUG
>  	atomic_inc(&packet_socks_nr);
> +#endif
>  
>  	/*
>  	 *	Attach a protocol block
> -
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