Linux Kernel  3.7.1
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cache.h
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1 #ifndef __ASM_GENERIC_CACHE_H
2 #define __ASM_GENERIC_CACHE_H
3 /*
4  * 32 bytes appears to be the most common cache line size,
5  * so make that the default here. Architectures with larger
6  * cache lines need to provide their own cache.h.
7  */
8 
9 #define L1_CACHE_SHIFT 5
10 #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
11 
12 #endif /* __ASM_GENERIC_CACHE_H */