From: Vladimir Sokolovsky <vlad@mellanox.com>
Date: Sun, 5 Aug 2012 18:18:12 +0000 (+0300)
Subject: compat: Add __skb_frag_unref
X-Git-Tag: vofed-3.5-x~5
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=312cfba9d93892c115ffea69baaa3cf9eb041b0b;p=compat-rdma%2Fcompat.git

compat: Add __skb_frag_unref

Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.com>
---

diff --git a/include/linux/compat-3.2.h b/include/linux/compat-3.2.h
index c44bec1..d888d81 100644
--- a/include/linux/compat-3.2.h
+++ b/include/linux/compat-3.2.h
@@ -115,6 +115,17 @@ static inline void skb_frag_size_sub(skb_frag_t *frag, int delta)
 	frag->size -= delta;
 }
 
+/**
+ * __skb_frag_unref - release a reference on a paged fragment.
+ * @frag: the paged fragment
+ *
+ * Releases a reference on the paged fragment @frag.
+ */
+static inline void __skb_frag_unref(skb_frag_t *frag)
+{
+	put_page(skb_frag_page(frag));
+}
+
 #endif /* CONFIG_COMPAT_SKB_FRAG_NEEDED */
 
 static inline char *hex_byte_pack(char *buf, u8 byte)