SGI Ultraviolet

modulename: tlb_uv.ko

and/or

x2apic_uv_x.ko

configname: CONFIG_X86_UV

Linux Kernel Configuration
└─>Processor type and features
└─>SGI Ultraviolet
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
This option is needed in order to support SGI Ultraviolet systems.
If you don't have one of these, you should say N here.

source code: