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author | Philip Prindeville <philipp@redfish-solutions.com> | 2017-09-19 17:49:13 -0600 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2017-09-24 16:28:28 +0200 |
commit | f138833d0cd79cf89ebc41dfc3707f52de921736 (patch) | |
tree | d048d6a049bc2547a5bc5812bfcb62d5894bbf6a /target/linux/generic/hack-4.9/660-fq_codel_defaults.patch | |
parent | 82739648c006c4fb458e97cadf6be6655cdd1f18 (diff) | |
download | mtk-20170518-f138833d0cd79cf89ebc41dfc3707f52de921736.zip mtk-20170518-f138833d0cd79cf89ebc41dfc3707f52de921736.tar.gz mtk-20170518-f138833d0cd79cf89ebc41dfc3707f52de921736.tar.bz2 |
kernel: don't scrimp on memory on big iron
x86_64 platforms typically don't lack memory, so don't needlessly
economize memory if fq_codel on capable platforms.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
[Add a comment to the patch]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/hack-4.9/660-fq_codel_defaults.patch')
-rw-r--r-- | target/linux/generic/hack-4.9/660-fq_codel_defaults.patch | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/target/linux/generic/hack-4.9/660-fq_codel_defaults.patch b/target/linux/generic/hack-4.9/660-fq_codel_defaults.patch index c91ea01..3e64730 100644 --- a/target/linux/generic/hack-4.9/660-fq_codel_defaults.patch +++ b/target/linux/generic/hack-4.9/660-fq_codel_defaults.patch @@ -3,6 +3,9 @@ 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 +- @@ -10,12 +13,15 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c -@@ -479,7 +479,7 @@ static int fq_codel_init(struct Qdisc *s +@@ -479,7 +479,11 @@ static int fq_codel_init(struct Qdisc *s sch->limit = 10*1024; q->flows_cnt = 1024; -- q->memory_limit = 32 << 20; /* 32 MBytes */ ++#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)); q->perturbation = prandom_u32(); |