CONFIG_64KB_3LEVEL is not available for thedefaultarchitecture x86.
Result is shown for architecture loongarch
64KB with 3 levels
configname: CONFIG_64KB_3LEVEL
Page Table Layout
└─>64KB with 3 levels
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
This option selects 64KB page size with 3 level page tables, which
support a maximum of 55 bits of application virtual memory.
support a maximum of 55 bits of application virtual memory.