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