cache.h 601 字节
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#ifndef _ASM_X86_CACHE_H
#define _ASM_X86_CACHE_H
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#include <linux/linkage.h>

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/* L1 cache line size */
#define L1_CACHE_SHIFT	(CONFIG_X86_L1_CACHE_SHIFT)
#define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)

#define __read_mostly __attribute__((__section__(".data.read_mostly")))

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#define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)

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#ifdef CONFIG_X86_VSMP
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp					\
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	__attribute__((__aligned__(INTERNODE_CACHE_BYTES)))		\
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	__page_aligned_data
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#endif
#endif

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#endif /* _ASM_X86_CACHE_H */