1 #ifndef __NET_NS_HASH_H__
2 #define __NET_NS_HASH_H__
3 
4 #include <asm/cache.h>
5 
6 struct net;
7 
net_hash_mix(struct net * net)8 static inline unsigned net_hash_mix(struct net *net)
9 {
10 #ifdef CONFIG_NET_NS
11 	/*
12 	 * shift this right to eliminate bits, that are
13 	 * always zeroed
14 	 */
15 
16 	return (unsigned)(((unsigned long)net) >> L1_CACHE_SHIFT);
17 #else
18 	return 0;
19 #endif
20 }
21 #endif
22