default or selected kernelversion does not have config value CONFIG_ARCH_SAVE_PAGE_KEYS.
Result is shown for kernelversion 6.9.9
CONFIG_ARCH_SAVE_PAGE_KEYS (not configurable)
configname: CONFIG_ARCH_SAVE_PAGE_KEYS
Linux Kernel Configuration
└─>Power management and ACPI options
└─>ARCH_SAVE_PAGE_KEYS