CONFIG_FRV_DEFL_CACHE_WTHRU is not available for thedefaultarchitecture x86.
Result is shown for architecture frv
default or selected kernelversion does not have config value CONFIG_FRV_DEFL_CACHE_WTHRU.
Result is shown for kernelversion 6.7-rc3

Write-Through

configname: CONFIG_FRV_DEFL_CACHE_WTHRU

CPU Caching mode
└─>Write-Through
In linux kernel since version 2.6.12