L1_CACHE_SHIFT 8 arch/x86/include/asm/cache.h #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) L1_CACHE_SHIFT 10 include/asm-generic/cache.h #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) L1_CACHE_SHIFT 51 include/linux/cache.h #define INTERNODE_CACHE_SHIFT L1_CACHE_SHIFT L1_CACHE_SHIFT 16 include/net/netns/hash.h return (unsigned)(((unsigned long)net) >> L1_CACHE_SHIFT);