default or selected kernelversion does not have config value CONFIG_COMPAT_OLD_SIGACTION.
Result is shown for kernelversion 6.9.9

CONFIG_COMPAT_OLD_SIGACTION (not configurable)

configname: CONFIG_COMPAT_OLD_SIGACTION

Linux Kernel Configuration
└─>General architecture-dependent options
└─>COMPAT_OLD_SIGACTION
In linux kernel since version 3.1 (release Date: 2011-10-24)