CONFIG_HOST_VMSPLIT_3G_OPT is not available for thedefaultarchitecture x86.
Result is shown for architecture um
default or selected kernelversion does not have config value CONFIG_HOST_VMSPLIT_3G_OPT.
Result is shown for kernelversion 5.15.113
3G/1G user/kernel host split (for full 1G low memory)
configname: CONFIG_HOST_VMSPLIT_3G_OPT
Host memory split
└─>3G/1G user/kernel host split (for full 1G low memory)