openwrtv3/target/linux/generic/pending-4.9/655-increase_skb_pad.patch
Koen Vandeputte 6d682d82b0 kernel: bump 4.9 to 4.9.134
Refreshed all patches.

Compile-tested on: ar71xx, layerscape
Runtime-tested on: ar71xx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-10-19 10:01:57 +02:00

20 lines
729 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Subject: kernel: add a few patches for avoiding unnecessary skb reallocations - significantly improves ethernet<->wireless performance
lede-commit: 6f89cffc9add6939d44a6b54cf9a5e77849aa7fd
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/skbuff.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2303,7 +2303,7 @@ static inline int pskb_network_may_pull(
* NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
*/
#ifndef NET_SKB_PAD
-#define NET_SKB_PAD max(32, L1_CACHE_BYTES)
+#define NET_SKB_PAD max(64, L1_CACHE_BYTES)
#endif
int ___pskb_trim(struct sk_buff *skb, unsigned int len);