1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 642cb7355df3..d205c4be7f5b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1667,6 +1667,22 @@ static inline void skb_orphan(struct sk_buff *skb)
 }
 
 /**
+ *      skb_orphan_frags - orphan the frags contained in a buffer
+ *      @skb: buffer to orphan frags from
+ *      @gfp_mask: allocation mask for replacement pages
+ *
+ *      For each frag in the SKB which needs a destructor (i.e. has an
+ *      owner) create a copy of that frag and release the original
+ *      page by calling the destructor.
+ */
+static inline int skb_orphan_frags(struct sk_buff *skb, gfp_t gfp_mask)
+{
+        if (likely(!(skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY)))
+                return 0;
+        return skb_copy_ubufs(skb, gfp_mask);
+}
+
+/**
  *      __skb_queue_purge - empty a list
  *      @list: list to empty
  *