NR_IRQS_LEGACY      5 arch/arm/include/asm/irq.h #define NR_IRQS_LEGACY	16
NR_IRQS_LEGACY     27 arch/powerpc/include/asm/irq.h #define NR_IRQS_LEGACY		NUM_ISA_INTERRUPTS
NR_IRQS_LEGACY     12 arch/s390/include/asm/irq.h #define NR_IRQS_LEGACY NR_IRQS_BASE
NR_IRQS_LEGACY    128 arch/x86/include/asm/irq_vectors.h #define NR_IRQS_LEGACY			16
NR_IRQS_LEGACY    553 include/linux/irq.h # define NR_IRQS_LEGACY 0