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Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...
[linux-2.6-omap-h63xx.git] / arch / x86 / include / asm / cache.h
1 #ifndef _ASM_X86_CACHE_H
2 #define _ASM_X86_CACHE_H
3
4 /* L1 cache line size */
5 #define L1_CACHE_SHIFT  (CONFIG_X86_L1_CACHE_SHIFT)
6 #define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
7
8 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
9
10 #ifdef CONFIG_X86_VSMP
11 /* vSMP Internode cacheline shift */
12 #define INTERNODE_CACHE_SHIFT (12)
13 #ifdef CONFIG_SMP
14 #define __cacheline_aligned_in_smp                                      \
15         __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))      \
16         __attribute__((__section__(".data.page_aligned")))
17 #endif
18 #endif
19
20 #endif /* _ASM_X86_CACHE_H */