Enable Maximum number of SMP Processors and NUMA Nodes

configname: CONFIG_MAXSMP

Linux Kernel Configuration
└─>Processor type and features
└─>Enable Maximum number of SMP Processors and NUMA Nodes
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Enable maximum number of CPUS and NUMA Nodes for this architecture.
If unsure, say N.