kernel: split patches folder up into backport, pending and hack folders

* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/target/linux/generic/pending-3.18/657-qdisc_reduce_truesize.patch b/target/linux/generic/pending-3.18/657-qdisc_reduce_truesize.patch
new file mode 100644
index 0000000000..410e0b763d
--- /dev/null
+++ b/target/linux/generic/pending-3.18/657-qdisc_reduce_truesize.patch
@@ -0,0 +1,63 @@
+From bc9fec2f87d57bdbff30d296605e24504513f65c Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Dave=20T=C3=A4ht?= <dave.taht@bufferbloat.net>
+Date: Mon, 17 Sep 2012 19:20:22 -0700
+Subject: [PATCH 4/7] net: add skb_reduce_truesize support to common qdiscs
+
+Reduce skb size under load when queues begin to fill on the
+commont qdiscs.
+---
+ net/sched/sch_codel.c    |    2 ++
+ net/sched/sch_fifo.c     |   12 ++++++++----
+ net/sched/sch_fq_codel.c |    2 ++
+ 3 files changed, 12 insertions(+), 4 deletions(-)
+
+--- a/net/sched/sch_codel.c
++++ b/net/sched/sch_codel.c
+@@ -97,6 +97,8 @@ static int codel_qdisc_enqueue(struct sk
+ 	struct codel_sched_data *q;
+ 
+ 	if (likely(qdisc_qlen(sch) < sch->limit)) {
++		if(qdisc_qlen(sch) > 128)
++			skb = skb_reduce_truesize(skb);
+ 		codel_set_enqueue_time(skb);
+ 		return qdisc_enqueue_tail(skb, sch);
+ 	}
+--- a/net/sched/sch_fifo.c
++++ b/net/sched/sch_fifo.c
+@@ -29,17 +29,21 @@ static int bfifo_enqueue(struct sk_buff
+ 
+ static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch)
+ {
+-	if (likely(skb_queue_len(&sch->q) < sch->limit))
++	if (likely(skb_queue_len(&sch->q) < sch->limit)) {
++		if (skb_queue_len(&sch->q) > 128)
++			skb = skb_reduce_truesize(skb);
+ 		return qdisc_enqueue_tail(skb, sch);
+-
++	}
+ 	return qdisc_reshape_fail(skb, sch);
+ }
+ 
+ static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch)
+ {
+-	if (likely(skb_queue_len(&sch->q) < sch->limit))
++	if (likely(skb_queue_len(&sch->q) < sch->limit)) {
++		if (skb_queue_len(&sch->q) > 128)
++			skb = skb_reduce_truesize(skb);
+ 		return qdisc_enqueue_tail(skb, sch);
+-
++	}
+ 	/* queue full, remove one skb to fulfill the limit */
+ 	__qdisc_queue_drop_head(sch, &sch->q);
+ 	qdisc_qstats_drop(sch);
+--- a/net/sched/sch_fq_codel.c
++++ b/net/sched/sch_fq_codel.c
+@@ -185,6 +185,8 @@ static int fq_codel_enqueue(struct sk_bu
+ 		return ret;
+ 	}
+ 	idx--;
++	if (sch->q.qlen > 128)
++		skb = skb_reduce_truesize(skb);
+ 
+ 	codel_set_enqueue_time(skb);
+ 	flow = &q->flows[idx];