CONFIG_IA64 is not available for the default architecture x86.
Result is shown for architecture ia64

CONFIG_IA64 (not configurable)

configname: CONFIG_IA64

Linux Kernel Configuration
└─> Processor type and features
└─> IA64

The Itanium Processor Family is Intel's 64-bit successor to
the 32-bit X86 line. The IA-64 Linux project has a home
page at <> and a mailing list at