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