CONFIG_MAPPED_KERNEL is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
Mapped kernel support
configname: CONFIG_MAPPED_KERNEL
Linux/MIPS Kernel Configuration
└─>Machine selection
└─>Mapped kernel support
In linux kernel since version 2.6.12
Change the way a Linux kernel is loaded into memory on a MIPS64
machine. This is required in order to support text replication and
NUMA. If you need to understand it, read the source code.
machine. This is required in order to support text replication and
NUMA. If you need to understand it, read the source code.