CONFIG_CHECK_STACK is not available for thedefaultarchitecture x86.
Result is shown for architecture s390

Detect kernel stack overflow

configname: CONFIG_CHECK_STACK

Linux Kernel Configuration
└─>Memory setup
└─>Detect kernel stack overflow
In linux kernel since version 2.6.12  
This option enables the compiler option -mstack-guard and
-mstack-size if they are available. If the compiler supports them
it will emit additional code to each function prolog to trigger
an illegal operation if the kernel stack is about to overflow.

Say N if you are unsure.

depends
NOT CONFIG_VMAP_STACK