openwrt/target/linux/generic/hack-5.4/660-fq_codel_defaults.patch
Hauke Mehrtens 50f456b46c kernel: bump 5.4 to 5.4.150
Manually rebased:
  generic/pending-5.4/800-bcma-get-SoC-device-struct-copy-its-DMA-params-to-th.patch
  mvebu/patches-5.4/021-arm64-dts-marvell-armada-37xx-Move-PCIe-comphy-handl.patch

Removed upstreamed:
  layerscape/patches-5.4/819-uart-0004-MLK-18137-fsl_lpuart-Fix-loopback-mode.patch

All others updated automatically.

Compile-tested on: lantiq/xrx200, armvirt/64
Runtime-tested on: lantiq/xrx200, armvirt/64

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2021-10-02 16:45:56 +02:00

28 lines
877 B
Diff

From a6ccb238939b25851474a279b20367fd24a0e816 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Jul 2017 17:21:53 +0200
Subject: hack: net: fq_codel: tune defaults for small devices
Assume that x86_64 devices always have a big memory and do not need this
optimization compared to devices with only 32 MB or 64 MB RAM.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
net/sched/sch_fq_codel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -470,7 +470,11 @@ static int fq_codel_init(struct Qdisc *s
sch->limit = 10*1024;
q->flows_cnt = 1024;
+#ifdef CONFIG_X86_64
q->memory_limit = 32 << 20; /* 32 MBytes */
+#else
+ q->memory_limit = 4 << 20; /* 4 MBytes */
+#endif
q->drop_batch_size = 64;
q->quantum = psched_mtu(qdisc_dev(sch));
INIT_LIST_HEAD(&q->new_flows);