mac80211: backport skb_free_frag and napi_alloc_frag

[openwrt/svn-archive/archive.git] / package / kernel / mac80211 / patches / 004-backports-add-skb_free_frag.patch

diff --git a/package/kernel/mac80211/patches/004-backports-add-skb_free_frag.patch b/package/kernel/mac80211/patches/004-backports-add-skb_free_frag.patch
new file mode 100644 (file)
index 0000000..9adfd8f
--- /dev/null
+++ b/package/kernel/mac80211/patches/004-backports-add-skb_free_frag.patch
@@ -0,0 +1,21 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Thu, 28 Jan 2016 15:16:35 +0100
+Subject: [PATCH] backports: add skb_free_frag()
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/backport-include/linux/skbuff.h
++++ b/backport-include/linux/skbuff.h
+@@ -300,4 +300,11 @@ int skb_ensure_writable(struct sk_buff *
+ 
+ #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0) */
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
++static inline void skb_free_frag(void *data)
++{
++      put_page(virt_to_head_page(data));
++}
++#endif
++
+ #endif /* __BACKPORT_SKBUFF_H */