default or selected kernelversion does not have config value CONFIG_DEBUG_WRITECOUNT.
Result is shown for kernelversion 6.5.1

Debug filesystem writers count


Linux Kernel Configuration
└─>Debug filesystem writers count
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Enable this to catch wrong use of the writers count in struct
vfsmount. This will increase the size of each file struct by
32 bits.

If unsure, say N.