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

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--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -177,6 +177,10 @@ struct sk_buff *__alloc_skb(unsigned int
struct sk_buff *skb;
u8 *data;
+#ifdef CONFIG_ARCH_IXP4XX
+ gfp_mask |= GFP_DMA;
+#endif
+
cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
/* Get the HEAD */
@@ -946,6 +950,10 @@ int pskb_expand_head(struct sk_buff *skb
if (skb_shared(skb))
BUG();
+#ifdef CONFIG_ARCH_IXP4XX
+ gfp_mask |= GFP_DMA;
+#endif
+
size = SKB_DATA_ALIGN(size);
/* Check if we can avoid taking references on fragments if we own