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 __section(".data..read_mostly")
29 
30 #endif /* _ASM_IA64_CACHE_H */
31