target/linux/ixp4xx/patches-3.3/600-skb_avoid_dmabounce.patch

   1 --- a/net/core/skbuff.c
   2 +++ b/net/core/skbuff.c
   3 @@ -177,6 +177,10 @@ struct sk_buff *__alloc_skb(unsigned int
   4         struct sk_buff *skb;
   5         u8 *data;
   6
   7 +#ifdef CONFIG_ARCH_IXP4XX
   8 +       gfp_mask |= GFP_DMA;
   9 +#endif
  10 +
  11         cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
  12
  13         /* Get the HEAD */
  14 @@ -946,6 +950,10 @@ int pskb_expand_head(struct sk_buff *skb
  15         if (skb_shared(skb))
  16                 BUG();
  17
  18 +#ifdef CONFIG_ARCH_IXP4XX
  19 +       gfp_mask |= GFP_DMA;
  20 +#endif
  21 +
  22         size = SKB_DATA_ALIGN(size);
  23
  24         /* Check if we can avoid taking references on fragments if we own