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openwrt/target/linux/generic/pending-5.4/655-increase_skb_pad.patch
John Audia 9ad912d159 kernel: bump 5.4 to 5.4.92
All modification made by update_kernel.sh in a fresh clone without
existing toolchains.

Build system:       x86_64
Build-tested:       ipq806x/R7800, bcm27xx/bcm2711
Run-tested:         ipq806x/R7800
Compile-tested [*]: ath79/{tiny,generic}, ipq40xx, octeon,
                    ramips/mt7621, realtek, x86/64.
Run-tested [*]:     ath79/generic, octeon, ramips/mt7621, realtek.

No dmesg regressions, everything functional

Signed-off-by: John Audia <graysky@archlinux.us>
Tested-by: Stijn Segers <foss@volatilesystems.org> [*]
2021-01-26 00:49:53 +01:00

21 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
@@ -2650,7 +2650,7 @@ 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);