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 #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)))) \ 18 __page_aligned_data 19 #endif 20 #endif 21 22 #endif /* _ASM_X86_CACHE_H */ 23