NR_VECTORS        188 arch/x86/include/asm/hw_irq.h extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
NR_VECTORS         40 arch/x86/include/asm/irq.h extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
NR_VECTORS        160 arch/x86/include/asm/irq_vectors.h 		(NR_VECTORS + CPU_VECTOR_LIMIT)  :	\
NR_VECTORS        161 arch/x86/include/asm/irq_vectors.h 		(NR_VECTORS + IO_APIC_VECTOR_LIMIT))