linux-sg2042/include/asm-i386/mach-default/irq_vectors_limits.h

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#ifndef _ASM_IRQ_VECTORS_LIMITS_H
#define _ASM_IRQ_VECTORS_LIMITS_H
#ifdef CONFIG_PCI_MSI
#define NR_IRQS FIRST_SYSTEM_VECTOR
#define NR_IRQ_VECTORS NR_IRQS
#else
#ifdef CONFIG_X86_IO_APIC
#define NR_IRQS 224
# if (224 >= 32 * NR_CPUS)
# define NR_IRQ_VECTORS NR_IRQS
# else
# define NR_IRQ_VECTORS (32 * NR_CPUS)
# endif
#else
#define NR_IRQS 16
#define NR_IRQ_VECTORS NR_IRQS
#endif
#endif
#endif /* _ASM_IRQ_VECTORS_LIMITS_H */