CONFIG_DISABLE_VHPT is not available for thedefaultarchitecture x86.
Result is shown for architecture ia64
default or selected kernelversion does not have config value CONFIG_DISABLE_VHPT.
Result is shown for kernelversion 6.9.9

Disable VHPT

configname: CONFIG_DISABLE_VHPT

Linux Kernel Configuration
└─>Disable VHPT
In linux kernel since version 2.6.12  
The Virtual Hash Page Table (VHPT) enhances virtual address
translation performance. Normally you want the VHPT active but you
can select this option to disable the VHPT for debugging. If you're
unsure, answer N.