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enum fixed_addresses {
    FIX_HOLE,
    FIX_VDSO,
    FIX_DBGP_BASE,
    FIX_EARLYCON_MEM_BASE,
#ifdef CONFIG_X86_LOCAL_APIC
    FIX_APIC_BASE,    /* local (CPU) APIC) -- required for SMP or not */
#endif
#ifdef CONFIG_X86_IO_APIC
    FIX_IO_APIC_BASE_0,
    FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS-1,
#endif
#ifdef CONFIG_X86_VISWS_APIC
    FIX_CO_CPU,    /* Cobalt timer */
    FIX_CO_APIC,    /* Cobalt APIC Redirection Table */
    FIX_LI_PCIA,    /* Lithium PCI Bridge A */
    FIX_LI_PCIB,    /* Lithium PCI Bridge B */
#endif
#ifdef CONFIG_X86_F00F_BUG
    FIX_F00F_IDT,    /* Virtual mapping for IDT */
#endif
#ifdef CONFIG_X86_CYCLONE_TIMER
    FIX_CYCLONE_TIMER, /*cyclone timer register*/
#endif
    FIX_KMAP_BEGIN,    /* reserved pte's for temporary kernel mappings */
    FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
#ifdef CONFIG_PCI_MMCONFIG
    FIX_PCIE_MCFG,
#endif
#ifdef CONFIG_PARAVIRT
    FIX_PARAVIRT_BOOTMAP,
#endif
    __end_of_permanent_fixed_addresses,
    /*
     * 256 temporary boot-time mappings, used b


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