From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001
From: Zheng Da <zhengda1936@gmail.com>
Date: Sun, 6 Dec 2009 05:26:23 +0100
Subject: check in the original version of dde linux26.

---
 libdde_linux26/contrib/include/net/netns/hash.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 libdde_linux26/contrib/include/net/netns/hash.h

(limited to 'libdde_linux26/contrib/include/net/netns/hash.h')

diff --git a/libdde_linux26/contrib/include/net/netns/hash.h b/libdde_linux26/contrib/include/net/netns/hash.h
new file mode 100644
index 00000000..548d78f2
--- /dev/null
+++ b/libdde_linux26/contrib/include/net/netns/hash.h
@@ -0,0 +1,21 @@
+#ifndef __NET_NS_HASH_H__
+#define __NET_NS_HASH_H__
+
+#include <asm/cache.h>
+
+struct net;
+
+static inline unsigned net_hash_mix(struct net *net)
+{
+#ifdef CONFIG_NET_NS
+	/*
+	 * shift this right to eliminate bits, that are
+	 * always zeroed
+	 */
+
+	return (unsigned)(((unsigned long)net) >> L1_CACHE_SHIFT);
+#else
+	return 0;
+#endif
+}
+#endif
-- 
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