CONFIG_STRICT_MM_TYPECHECKS is not available for thedefaultarchitecture x86.
Result is shown for architecture s390
default or selected kernelversion does not have config value CONFIG_STRICT_MM_TYPECHECKS.
Result is shown for kernelversion 6.6.86

Strict Memory Management Type Checks

configname: CONFIG_STRICT_MM_TYPECHECKS

Linux Kernel Configuration
└─>Strict Memory Management Type Checks
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Enable strict type checking for memory management types like pte_t
and pmd_t. This generates slightly worse code and should be used
for debug builds.

If unsure, say N.