openwrt/target/linux/ixp4xx/patches-4.4/600-skb_avoid_dmabounce.patch
Matthias Schiffer 91d209362b
kernel: bump kernel 4.4 to version 4.4.147
target/linux/ar71xx/patches-4.4/103-MIPS-ath79-fix-register-address-in-ath79_ddr_wb_flus.patch
has been applied upstream; the two deleted brcm2708 patches have been
useless even before (as the second one only reverted the first one).

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-08-09 23:17:09 +02:00

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);
@@ -1148,6 +1151,10 @@ 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))