---

yaml --- r: 315780 b: refs/heads/master c: a353e0c h: refs/heads/master v: v3
git-mirror · Jul 22, 2012 · 2414bc2 · 2414bc2
1 parent e860053
commit 2414bc2
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d47e12d63e745f667a977226c3f59ae14521592d
+refs/heads/master: a353e0ce0fd42d8859260666d1e9b10f2abd4698
diff --git a/trunk/include/linux/skbuff.h b/trunk/include/linux/skbuff.h
@@ -1666,6 +1666,22 @@ static inline void skb_orphan(struct sk_buff *skb)
 	skb->sk		= NULL;
 }
 
+/**
+ *	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