netdev - Re: [PATCH 02/10] net: Use SKB_WITH_OVERHEAD in build

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Message-ID: <1334069916.5300.54.camel@edumazet-glaptop>
Date:	Tue, 10 Apr 2012 16:58:36 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Ian Campbell <ian.campbell@...rix.com>
Cc:	netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Wei Liu <wei.liu2@...rix.com>, xen-devel@...ts.xen.org
Subject: Re: [PATCH 02/10] net: Use SKB_WITH_OVERHEAD in build_skb

On Tue, 2012-04-10 at 15:26 +0100, Ian Campbell wrote:
> Signed-off-by: Ian Campbell <ian.campbell@...rix.com>
> ---
>  net/core/skbuff.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/net/core/skbuff.c b/net/core/skbuff.c
> index 59a1ecb..d4e139e 100644
> --- a/net/core/skbuff.c
> +++ b/net/core/skbuff.c
> @@ -264,7 +264,7 @@ struct sk_buff *build_skb(void *data)
>  	if (!skb)
>  		return NULL;
>  
> -	size = ksize(data) - SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
> +	size = SKB_WITH_OVERHEAD(ksize(data));
>  
>  	memset(skb, 0, offsetof(struct sk_buff, tail));
>  	skb->truesize = SKB_TRUESIZE(size);

Well, why not ;)

Acked-by: Eric Dumazet <eric.dumazet@...il.com>



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