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| author | Felix Fietkau <nbd@openwrt.org> | 2010-04-04 17:43:13 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-04-04 17:43:13 +0000 |
| commit | ddb677e13ded19544da207599bc36a6f6b2de98a (patch) | |
| tree | a81c71527bc86a7a6c4e81afebf07934968d4550 | |
| parent | 1fc7da03066f4d88ee1773677e490ba74fc8e834 (diff) | |
| download | upstream-ddb677e13ded19544da207599bc36a6f6b2de98a.tar.gz upstream-ddb677e13ded19544da207599bc36a6f6b2de98a.tar.bz2 upstream-ddb677e13ded19544da207599bc36a6f6b2de98a.zip | |
ixp4xx: add back the patch for avoiding dma bounce buffers for network buffers, which was lost on the kernel upgrade to 2.6.32. fixes ath9k and improves other drivers' performance on boards with >64M ram
SVN-Revision: 20708
| -rw-r--r-- | target/linux/ixp4xx/patches-2.6.32/600-skb_avoid_dmabounce.patch | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.32/600-skb_avoid_dmabounce.patch b/target/linux/ixp4xx/patches-2.6.32/600-skb_avoid_dmabounce.patch new file mode 100644 index 0000000000..21be8284e6 --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.32/600-skb_avoid_dmabounce.patch @@ -0,0 +1,13 @@ +--- a/net/core/skbuff.c ++++ b/net/core/skbuff.c +@@ -264,6 +264,10 @@ struct sk_buff *__alloc_skb(unsigned int + if (!skb) + goto out; + ++#ifdef CONFIG_ARCH_IXP4XX ++ gfp_mask |= GFP_DMA; ++#endif ++ + size = SKB_DATA_ALIGN(size); + data = kmalloc_node_track_caller(size + sizeof(struct skb_shared_info), + gfp_mask, node); |