target/linux/ixp4xx/patches-4.1/600-skb_avoid_dmabounce.patch

   1 --- a/net/core/skbuff.c
   2 +++ b/net/core/skbuff.c
   3 @@ -212,6 +212,9 @@ struct sk_buff *__alloc_skb(unsigned int
   4
   5         if (sk_memalloc_socks() && (flags & SKB_ALLOC_RX))
   6                 gfp_mask |= __GFP_MEMALLOC;
   7 +#ifdef CONFIG_ARCH_IXP4XX
   8 +       gfp_mask |= GFP_DMA;
   9 +#endif
  10
  11         /* Get the HEAD */
  12         skb = kmem_cache_alloc_node(cache, gfp_mask & ~__GFP_DMA, node);
  13 @@ -1192,6 +1195,10 @@ int pskb_expand_head(struct sk_buff *skb
  14         if (skb_shared(skb))
  15                 BUG();
  16
  17 +#ifdef CONFIG_ARCH_IXP4XX
  18 +       gfp_mask |= GFP_DMA;
  19 +#endif
  20 +
  21         size = SKB_DATA_ALIGN(size);
  22
  23         if (skb_pfmemalloc(skb))