]> bbs.cooldavid.org Git - net-next-2.6.git/blame - arch/ia64/include/asm/cache.h
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[net-next-2.6.git] / arch / ia64 / include / asm / cache.h
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1da177e4
LT
1#ifndef _ASM_IA64_CACHE_H
2#define _ASM_IA64_CACHE_H
3
1da177e4
LT
4
5/*
6 * Copyright (C) 1998-2000 Hewlett-Packard Co
7 * David Mosberger-Tang <davidm@hpl.hp.com>
8 */
9
10/* Bytes per L1 (data) cache line. */
11#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
12#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
13
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14#ifdef CONFIG_SMP
15# define SMP_CACHE_SHIFT L1_CACHE_SHIFT
16# define SMP_CACHE_BYTES L1_CACHE_BYTES
17#else
18 /*
19 * The "aligned" directive can only _increase_ alignment, so this is
20 * safe and provides an easy way to avoid wasting space on a
21 * uni-processor:
22 */
23# define SMP_CACHE_SHIFT 3
24# define SMP_CACHE_BYTES (1 << 3)
25#endif
26
54cb27a7 27#define __read_mostly __attribute__((__section__(".data..read_mostly")))
804f1594 28
1da177e4 29#endif /* _ASM_IA64_CACHE_H */