1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_IA64_CACHE_H
 3#define _ASM_IA64_CACHE_H
 4
 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
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
28#define __read_mostly __attribute__((__section__(".data..read_mostly")))
29
30#endif /* _ASM_IA64_CACHE_H */