net: introduce __netdev_alloc_skb_ip_align
RX rings should use GFP_KERNEL allocations if possible, add
__netdev_alloc_skb_ip_align() helper to ease this.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 32ada53..a24218c 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1579,16 +1579,22 @@
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)
+static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length, gfp_t gfp)
{
- struct sk_buff *skb = netdev_alloc_skb(dev, length + NET_IP_ALIGN);
+ struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
if (NET_IP_ALIGN && skb)
skb_reserve(skb, NET_IP_ALIGN);
return skb;
}
+static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+ unsigned int length)
+{
+ return __netdev_alloc_skb_ip_align(dev, length, GFP_ATOMIC);
+}
+
/**
* __netdev_alloc_page - allocate a page for ps-rx on a specific device
* @dev: network device to receive on