1 files changed, 0 insertions, 61 deletions
diff --git a/target/linux/generic/pending-4.14/650-net-use-bulk-free-in-kfree_skb_list.patch b/target/linux/generic/pending-4.14/650-net-use-bulk-free-in-kfree_skb_list.patch
deleted file mode 100644
index 1d1a6433d9..0000000000
--- a/target/linux/generic/pending-4.14/650-net-use-bulk-free-in-kfree_skb_list.patch
+++ /dev/null
@@ -1,61 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sat, 23 Mar 2019 18:26:10 +0100
-Subject: [PATCH] net: use bulk free in kfree_skb_list
-
-Since we're freeing multiple skbs, we might as well use bulk free to save a
-few cycles. Use the same conditions for bulk free as in napi_consume_skb.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/net/core/skbuff.c
-+++ b/net/core/skbuff.c
-@@ -666,12 +666,44 @@ EXPORT_SYMBOL(kfree_skb);
- 
- void kfree_skb_list(struct sk_buff *segs)
- {
--	while (segs) {
--		struct sk_buff *next = segs->next;
-+	struct sk_buff *next = segs;
-+	void *skbs[16];
-+	int n_skbs = 0;
- 
--		kfree_skb(segs);
--		segs = next;
-+	while ((segs = next) != NULL) {
-+		next = segs->next;
-+
-+		if (segs->fclone != SKB_FCLONE_UNAVAILABLE) {
-+			kfree_skb(segs);
-+			continue;
-+		}
-+
-+		if (!skb_unref(segs))
-+			continue;
-+
-+		trace_kfree_skb(segs, __builtin_return_address(0));
-+
-+		/* drop skb->head and call any destructors for packet */
-+		skb_release_all(segs);
-+
-+#ifdef CONFIG_SLUB
-+		/* SLUB writes into objects when freeing */
-+		prefetchw(segs);
-+#endif
-+
-+		skbs[n_skbs++] = segs;
-+
-+		if (n_skbs < ARRAY_SIZE(skbs))
-+			continue;
-+
-+		kmem_cache_free_bulk(skbuff_head_cache, n_skbs, skbs);
-+		n_skbs = 0;
- 	}
-+
-+	if (!n_skbs)
-+		return;
-+
-+	kmem_cache_free_bulk(skbuff_head_cache, n_skbs, skbs);
- }
- EXPORT_SYMBOL(kfree_skb_list);
-