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author | Ingo Molnar <mingo@elte.hu> | 2008-10-03 19:28:46 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-03 19:28:46 +0200 |
commit | f68ec0c24755e5cdb779be6240925f2175311d84 (patch) | |
tree | a7b7128e61a8456385d82bd1c7ca5f14eecbf2ca /arch/ia64/include/asm/cache.h | |
parent | 98920dc3d1113b883cbc73e3293446d3525c6042 (diff) | |
parent | 94aca1dac6f6d21f4b07e4864baf7768cabcc6e7 (diff) |
Merge commit 'v2.6.27-rc8' into x86/setup
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 */ |