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authorJohn Crispin <john@phrozen.org>2016-12-25 20:11:34 +0100
committerJohn Crispin <john@phrozen.org>2017-08-05 08:46:36 +0200
commit74d00a8c3849c1340efd713eb94b786e304c201f (patch)
treede481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/pending-4.9/655-increase_skb_pad.patch
parentde350550ef648d9728351b986b0516fa29465c45 (diff)
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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drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop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>
Diffstat (limited to 'target/linux/generic/pending-4.9/655-increase_skb_pad.patch')
-rw-r--r--target/linux/generic/pending-4.9/655-increase_skb_pad.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/655-increase_skb_pad.patch b/target/linux/generic/pending-4.9/655-increase_skb_pad.patch
new file mode 100644
index 0000000000..d15c3c44c1
--- /dev/null
+++ b/target/linux/generic/pending-4.9/655-increase_skb_pad.patch
@@ -0,0 +1,25 @@
+From: Felix Fietkau <nbd@nbd.name>
+Subject: kernel: add a few patches for avoiding unnecessary skb reallocations - significantly improves ethernet<->wireless performance
+
+lede-commit: 6f89cffc9add6939d44a6b54cf9a5e77849aa7fd
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ include/linux/skbuff.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
+index 32810f279f8e..5f3343ae25ef 100644
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -2298,7 +2298,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
+ * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
+ */
+ #ifndef NET_SKB_PAD
+-#define NET_SKB_PAD max(32, L1_CACHE_BYTES)
++#define NET_SKB_PAD max(64, L1_CACHE_BYTES)
+ #endif
+
+ int ___pskb_trim(struct sk_buff *skb, unsigned int len);
+--
+2.11.0
+