diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
| commit | 2b12a4c524812fb3f6ee590a02e65b95c8c32229 (patch) | |
| tree | 6d319a371c56798d2d5c3ad21801eba142a1c77e /arch/ia64/include/asm/cache.h | |
| parent | 4744b43431e8613f920c5cba88346756f53c5165 (diff) | |
| parent | 7f30491ccd28627742e37899453ae20e3da8e18f (diff) | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Move include/asm-ia64 to arch/ia64/include/asm
Diffstat (limited to 'arch/ia64/include/asm/cache.h')
| -rw-r--r-- | arch/ia64/include/asm/cache.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h new file mode 100644 index 00000000000..e7482bd628f --- /dev/null +++ b/arch/ia64/include/asm/cache.h @@ -0,0 +1,29 @@ +#ifndef _ASM_IA64_CACHE_H +#define _ASM_IA64_CACHE_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 */ |