smp_imb 35 arch/alpha/include/asm/cacheflush.h #define flush_icache_range(start, end) smp_imb() smp_imb 36 arch/alpha/include/asm/cacheflush.h extern void smp_imb(void); smp_imb 619 arch/alpha/kernel/smp.c EXPORT_SYMBOL(smp_imb);