swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: 55922c9d1b84b89cb946c777fddccb3247e7df2c authored by Linus Torvalds on 30 May 2011, 00:43:36 UTC
Linux 3.0-rc1
Tip revision: 55922c9
hash.h
#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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