Root/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
25

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