| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From a6ccb238939b25851474a279b20367fd24a0e816 Mon Sep 17 00:00:00 2001 |
| 2 | From: Felix Fietkau <nbd@nbd.name> |
| 3 | Date: Fri, 7 Jul 2017 17:21:53 +0200 |
| 4 | Subject: hack: net: fq_codel: tune defaults for small devices |
| 5 | |
| 6 | Assume that x86_64 devices always have a big memory and do not need this |
| 7 | optimization compared to devices with only 32 MB or 64 MB RAM. |
| 8 | |
| 9 | Signed-off-by: Felix Fietkau <nbd@nbd.name> |
| 10 | --- |
| 11 | net/sched/sch_fq_codel.c | 2 +- |
| 12 | 1 file changed, 1 insertion(+), 1 deletion(-) |
| 13 | |
| 14 | --- a/net/sched/sch_fq_codel.c |
| 15 | +++ b/net/sched/sch_fq_codel.c |
| 16 | @@ -470,7 +470,11 @@ static int fq_codel_init(struct Qdisc *s |
| 17 | |
| 18 | sch->limit = 10*1024; |
| 19 | q->flows_cnt = 1024; |
| 20 | +#ifdef CONFIG_X86_64 |
| 21 | q->memory_limit = 32 << 20; /* 32 MBytes */ |
| 22 | +#else |
| 23 | + q->memory_limit = 4 << 20; /* 4 MBytes */ |
| 24 | +#endif |
| 25 | q->drop_batch_size = 64; |
| 26 | q->quantum = psched_mtu(qdisc_dev(sch)); |
| 27 | INIT_LIST_HEAD(&q->new_flows); |