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

CONFIG_ARCH_WANT_OLD_COMPAT_IPC (not configurable)

configname: CONFIG_ARCH_WANT_OLD_COMPAT_IPC

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