[deliverable/linux.git] / include / asm-ia64 / cache.h

#ifndef _ASM_IA64_CACHE_H
#define _ASM_IA64_CACHE_H

#include <linux/config.h>

/*
 * Copyright (C) 1998-2000 Hewlett-Packard Co
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 */

/* Bytes per L1 (data) cache line.  */
#define L1_CACHE_SHIFT		CONFIG_IA64_L1_CACHE_SHIFT
#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)

#ifdef CONFIG_SMP
# define SMP_CACHE_SHIFT	L1_CACHE_SHIFT
# define SMP_CACHE_BYTES	L1_CACHE_BYTES
#else
  /*
   * The "aligned" directive can only _increase_ alignment, so this is
   * safe and provides an easy way to avoid wasting space on a
   * uni-processor:
   */
# define SMP_CACHE_SHIFT	3
# define SMP_CACHE_BYTES	(1 << 3)
#endif

#define __read_mostly __attribute__((__section__(".data.read_mostly")))

#endif /* _ASM_IA64_CACHE_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_IA64_CACHE_H
	2	#define _ASM_IA64_CACHE_H
	3
	4	#include <linux/config.h>
	5
	6	/*
	7	* Copyright (C) 1998-2000 Hewlett-Packard Co
	8	* David Mosberger-Tang <davidm@hpl.hp.com>
	9	*/
	10
	11	/* Bytes per L1 (data) cache line. */
	12	#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
	13	#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
	14
1da177e4 LT	15	#ifdef CONFIG_SMP
	16	# define SMP_CACHE_SHIFT L1_CACHE_SHIFT
	17	# define SMP_CACHE_BYTES L1_CACHE_BYTES
	18	#else
	19	/*
	20	* The "aligned" directive can only _increase_ alignment, so this is
	21	* safe and provides an easy way to avoid wasting space on a
	22	* uni-processor:
	23	*/
	24	# define SMP_CACHE_SHIFT 3
	25	# define SMP_CACHE_BYTES (1 << 3)
	26	#endif
	27
804f1594 KM	28	#define __read_mostly __attribute__((__section__(".data.read_mostly")))
804f1594 KM	29
1da177e4	30	#endif /* _ASM_IA64_CACHE_H */