CONFIG_IA64_NR_NODES is not available for thedefaultarchitecture x86.
Result is shown for architecture ia64
default or selected kernelversion does not have config value CONFIG_IA64_NR_NODES.
Result is shown for kernelversion 5.10.48

Maximum number of NODEs (256-1024)

configname: CONFIG_IA64_NR_NODES

IA-64 Linux Kernel Configuration
└─>Processor type and features
└─>Maximum number of NODEs (256-1024)
In linux kernel since version (release Date: 2006-06-20)  
This option specifies the maximum number of nodes in your SSI system.
If in doubt, use the default.