default or selected kernelversion does not have config value CONFIG_DEBUG_VM_VMACACHE.
Result is shown for kernelversion 6.8.2

Debug VMA caching

configname: CONFIG_DEBUG_VM_VMACACHE

Linux Kernel Configuration
└─>Kernel hacking
└─>Memory Debugging
└─>Debug VMA caching
In linux kernel since version 3.16 (release Date: 2014-08-03)  
Enable this to turn on VMA caching debug information. Doing so
can cause significant overhead, so only enable it in non-production
environments.

If unsure, say N.

depends
CONFIG_DEBUG_VM