Support for big SMP systems with more than 8 CPUs

modulename: bigsmp.ko

configname: CONFIG_X86_BIGSMP

Subarchitecture Type
└─>Support for big SMP systems with more than 8 CPUs
In linux kernel since version 2.6.12  
This option is needed for the systems that have more than 8 CPUs
and if the system is not of any sub-arch type above.

source code:
arch/x86/mach-generic/bigsmp.c