CONFIG_STRAM_PROC is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k
default or selected kernelversion does not have config value CONFIG_STRAM_PROC.
Result is shown for kernelversion 5.6.18

ST-RAM statistics in /proc

configname: CONFIG_STRAM_PROC

Linux Kernel Configuration
└─>ST-RAM statistics in /proc
In linux kernel since version 2.6.12  
Say Y here to report ST-RAM usage statistics in /proc/stram.

depends
CONFIG_ATARI