kernel: Copy patches from kernel 4.14 to 4.19

This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

target/linux/generic/hack-4.19/660-fq_codel_defaults.patch

@@ -0,0 +1,27 @@
+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
+@@ -471,7 +471,11 @@ 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);