openwrtv4/target/linux/ixp4xx/patches-4.9/600-skb_avoid_dmabounce.patch
Koen Vandeputte 12f44b83a8 kernel: bump 4.9 to 4.9.100
Refreshed all patches

Added new ARM64 symbol: ARM64_ERRATUM_1024718

Compile-tested on: ar71xx
Runtime-tested on: ar71xx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-05-18 09:10:21 +02:00

23 lines
562 B
Diff

--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -215,6 +215,9 @@ 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);
@@ -1223,6 +1226,10 @@ 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))