Merge branch 'writeback' of git://git.kernel.dk/linux-2.6-block
[linux-block.git] / arch / x86 / include / asm / cache.h
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1#ifndef _ASM_X86_CACHE_H
2#define _ASM_X86_CACHE_H
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4#include <linux/linkage.h>
5
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6/* L1 cache line size */
7#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
8#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
9
10#define __read_mostly __attribute__((__section__(".data.read_mostly")))
11
12#ifdef CONFIG_X86_VSMP
13/* vSMP Internode cacheline shift */
14#define INTERNODE_CACHE_SHIFT (12)
15#ifdef CONFIG_SMP
16#define __cacheline_aligned_in_smp \
17 __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \
abe1ee3a 18 __page_aligned_data
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19#endif
20#endif
21
1965aae3 22#endif /* _ASM_X86_CACHE_H */