27 lines
879 B
Diff
27 lines
879 B
Diff
From a6ccb238939b25851474a279b20367fd24a0e816 Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 7 Jul 2017 17:21:53 +0200
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Subject: hack: net: fq_codel: tune defaults for small devices
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Assume that x86_64 devices always have a big memory and do not need this
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optimization compared to devices with only 32 MB or 64 MB RAM.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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net/sched/sch_fq_codel.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/net/sched/sch_fq_codel.c
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+++ b/net/sched/sch_fq_codel.c
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@@ -485,7 +485,11 @@ static int fq_codel_init(struct Qdisc *s
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sch->limit = 10*1024;
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q->flows_cnt = 1024;
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+#ifdef CONFIG_X86_64
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q->memory_limit = 32 << 20; /* 32 MBytes */
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+#else
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+ q->memory_limit = 4 << 20; /* 4 MBytes */
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+#endif
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q->drop_batch_size = 64;
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q->quantum = psched_mtu(qdisc_dev(sch));
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q->perturbation = prandom_u32();
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