openwrt/target/linux/ixp4xx/patches-4.4/600-skb_avoid_dmabounce.patch
Ted Hess 2ce19c0c1f ixp4xx: Add support for 4.4 kernel, refresh patches
Signed-off-by: Ted Hess <thess@kitschensync.net>
2016-06-05 14:07:46 -04:00

24 lines
562 B
Diff

--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -214,6 +214,9 @@ struct sk_buff *__alloc_skb(unsigned int
if (sk_memalloc_socks() && (flags & SKB_ALLOC_RX))
gfp_mask |= __GFP_MEMALLOC;
+#ifdef CONFIG_ARCH_IXP4XX
+ gfp_mask |= GFP_DMA;
+#endif
/* Get the HEAD */
skb = kmem_cache_alloc_node(cache, gfp_mask & ~__GFP_DMA, node);
@@ -1146,6 +1149,10 @@ 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);
if (skb_pfmemalloc(skb))