default or selected kernelversion does not have config value CONFIG_ZCACHE_DEBUG.
Result is shown for kernelversion 6.2.5

Enable debug statistics


Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Enable debug statistics
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This is used to provide an debugfs directory with counters of
how zcache is doing. You probably want to set this to 'N'.