1. 根目录:
2. arch
3. mips
4. include
5. asm
6. mach-sead3
7. irq.h

#ifndef __ASM_MACH_MIPS_IRQ_H
#define __ASM_MACH_MIPS_IRQ_H

#define NR_IRQS 256


#include_next <irq.h>

#endif /* __ASM_MACH_MIPS_IRQ_H */