NR_VECTORS         12 arch/ia64/include/asm/native/irq.h #define NR_VECTORS	256
NR_VECTORS        159 arch/x86/include/asm/hw_irq.h typedef struct irq_desc* vector_irq_t[NR_VECTORS];
NR_VECTORS        109 arch/x86/include/asm/irq_vectors.h #define NR_VECTORS			 256