tg3: Remove prev_vlan_tag from struct tx_ring_info

prev_vlan_tag field is not used.

Patch saves 512*8 bytes per tx queue ring on 64bit arches.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---

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On Wed, Sep 30, 2009 at 07:07:52AM -0700, Eric Dumazet wrote:
> prev_vlan_tag field is not used.
> 
> Patch saves 512*8 bytes per tx queue ring on 64bit arches.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Looks good to me.

Acked-by: Matthew Carlson <mcarlson@broadcom.com>

> ---
> 
> diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
> index 82b45d8..524691c 100644
> --- a/drivers/net/tg3.h
> +++ b/drivers/net/tg3.h
> @@ -2412,7 +2412,6 @@ struct ring_info {
>  
>  struct tx_ring_info {
>  	struct sk_buff                  *skb;
> -	u32                             prev_vlan_tag;
>  };
>  
>  struct tg3_config_info {
> 

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From: "Matt Carlson" <mcarlson@broadcom.com>
Date: Wed, 30 Sep 2009 10:26:43 -0700

> On Wed, Sep 30, 2009 at 07:07:52AM -0700, Eric Dumazet wrote:
>> prev_vlan_tag field is not used.
>> 
>> Patch saves 512*8 bytes per tx queue ring on 64bit arches.
>> 
>> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
> 
> Looks good to me.
> 
> Acked-by: Matthew Carlson <mcarlson@broadcom.com>

Applied, thanks.

Eric, I had to apply this by hand because:

>> @@ -2412,7 +2412,6 @@ struct ring_info {
>>  
>>  struct tx_ring_info {
>>  	struct sk_buff                  *skb;
>> -	u32                             prev_vlan_tag;
>>  };

Your email client changed tabs into spaces.
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David Miller a écrit :
> 
> Applied, thanks.
> 
> Eric, I had to apply this by hand because:
> 
>>> @@ -2412,7 +2412,6 @@ struct ring_info {
>>>  
>>>  struct tx_ring_info {
>>>  	struct sk_buff                  *skb;
>>> -	u32                             prev_vlan_tag;
>>>  };
> 
> Your email client changed tabs into spaces.

Oops, I'm sorry Dave, I did a copy/paste and forgot about tabs.

Thanks
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