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  1. #ifndef _ASM_X86_CACHE_H
  2. #define _ASM_X86_CACHE_H
  3.  
  4. #include <linux/linkage.h>
  5.  
  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. #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
  13. #define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
  14.  
  15. #ifdef CONFIG_X86_VSMP
  16. #ifdef CONFIG_SMP
  17. #define __cacheline_aligned_in_smp                                      \
  18.         __attribute__((__aligned__(INTERNODE_CACHE_BYTES)))             \
  19.         __page_aligned_data
  20. #endif
  21. #endif
  22.  
  23. #endif /* _ASM_X86_CACHE_H */
  24.