IO_APIC_VECTOR_LIMIT
(CPU_VECTOR_LIMIT > IO_APIC_VECTOR_LIMIT ? \
(NR_VECTORS + IO_APIC_VECTOR_LIMIT))
#define NR_IRQS (NR_VECTORS + IO_APIC_VECTOR_LIMIT)
(CPU_VECTOR_LIMIT > IO_APIC_VECTOR_LIMIT ? \
(NR_VECTORS + IO_APIC_VECTOR_LIMIT))
#define NR_IRQS (NR_VECTORS + IO_APIC_VECTOR_LIMIT)