[NET]: Remove CONFIG_HAVE_ARCH_DEV_ALLOC_SKB

skbuff.h has an #ifndef CONFIG_HAVE_ARCH_DEV_ALLOC_SKB to allow
architectures to reimplement __dev_alloc_skb.  It's not set on any
architecture and now that we have an architecture-overrideable
NET_SKB_PAD there is not point at all to have one either.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0bf31b8..f987579 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1066,7 +1066,6 @@ static inline void __skb_queue_purge(struct sk_buff_head *list)
                kfree_skb(skb);
 }
 
-#ifndef CONFIG_HAVE_ARCH_DEV_ALLOC_SKB
 /**
  *     __dev_alloc_skb - allocate an skbuff for sending
  *     @length: length to allocate
@@ -1087,9 +1086,6 @@ static inline struct sk_buff *__dev_alloc_skb(unsigned int length,
                skb_reserve(skb, NET_SKB_PAD);
        return skb;
 }
-#else
-extern struct sk_buff *__dev_alloc_skb(unsigned int length, int gfp_mask);
-#endif
 
 /**
  *     dev_alloc_skb - allocate an skbuff for sending