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net: Add netdev_alloc_skb_ip_align() helper 

Instead of hardcoding NET_IP_ALIGN stuff in various network drivers,
we can add a helper around netdev_alloc_skb()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-10-07 17:11:23 +00:00 committed by David S. Miller
parent f373b53b5f
commit 61321bbd62
1 changed files with 10 additions and 0 deletions
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10
include/linux/skbuff.h
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@ -1491,6 +1491,16 @@ static inline struct sk_buff *netdev_alloc_skb(struct net_device *dev,
return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
}
static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
unsigned int length)
{
struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN);
if (NET_IP_ALIGN && skb)
skb_reserve(skb, NET_IP_ALIGN);
return skb;
}
extern struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask);
/**