kernel: Remove support for kernel 3.18

No target is using kernel 3.18 anymore, remove all the generic
support for kernel 3.18.

The removed packages are depending on kernel 3.18 only and are not used on
any recent kernel.

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

1 files changed, 0 insertions, 41 deletions

diff --git a/target/linux/generic/pending-3.18/656-skb_reduce_truesize-helper.patch b/target/linux/generic/pending-3.18/656-skb_reduce_truesize-helper.patch
deleted file mode 100644
index 0fde9f6e62..0000000000
--- a/target/linux/generic/pending-3.18/656-skb_reduce_truesize-helper.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 4593a806e31119c5bd3faa00c7210ad862d515af Mon Sep 17 00:00:00 2001
-From: Dave Taht <dave.taht@bufferbloat.net>
-Date: Mon, 31 Dec 2012 10:02:21 -0800
-Subject: [PATCH 3/7] skb_reduce_truesize: helper function for shrinking skbs
- whenever needed
-
-On embedded devices in particular, large queues of small packets from the rx
-path with a large truesize can exist. Reducing their size can reduce
-memory pressure. skb_reduce_truesize is a helper function for doing this,
-when needed.
----
- include/linux/skbuff.h |   18 ++++++++++++++++++
- 1 file changed, 18 insertions(+)
-
---- a/include/linux/skbuff.h
-+++ b/include/linux/skbuff.h
-@@ -2069,6 +2069,24 @@ static inline void pskb_trim_unique(stru
- 	BUG_ON(err);
- }
- 
-+/*
-+ * Caller wants to reduce memory needs before queueing skb
-+ * The (expensive) copy should not be be done in fast path.
-+ */
-+static inline struct sk_buff *skb_reduce_truesize(struct sk_buff *skb)
-+{
-+	if (skb->truesize > 2 * SKB_TRUESIZE(skb->len)) {
-+		struct sk_buff *nskb;
-+		nskb = skb_copy_expand(skb, skb_headroom(skb), 0,
-+			GFP_ATOMIC | __GFP_NOWARN);
-+		if (nskb) {
-+			__kfree_skb(skb);
-+			skb = nskb;
-+		}
-+	}
-+	return skb;
-+}
-+
- /**
-  *	skb_orphan - orphan a buffer
-  *	@skb: buffer to orphan