#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