[linux-2.6-block.git] / include / net / netns / hash.h

#ifndef __NET_NS_HASH_H__
#define __NET_NS_HASH_H__

#include <asm/cache.h>

struct net;

static inline u32 net_hash_mix(const struct net *net)
{
#ifdef CONFIG_NET_NS
	/*
	 * shift this right to eliminate bits, that are
	 * always zeroed
	 */

	return (u32)(((unsigned long)net) >> L1_CACHE_SHIFT);
#else
	return 0;
#endif
}
#endif
Commit	Line	Data
0b441916 PE	1	#ifndef __NET_NS_HASH_H__
	2	#define __NET_NS_HASH_H__
	3
	4	#include <asm/cache.h>
	5
	6	struct net;
	7
6eada011	8	static inline u32 net_hash_mix(const struct net *net)
0b441916 PE	9	{
	10	#ifdef CONFIG_NET_NS
	11	/*
	12	* shift this right to eliminate bits, that are
	13	* always zeroed
	14	*/
	15
6eada011	16	return (u32)(((unsigned long)net) >> L1_CACHE_SHIFT);
0b441916 PE	17	#else
	18	return 0;
	19	#endif
	20	}
	21	#endif