CONFIG_PARISC_PAGE_SIZE_64KB is not available for thedefaultarchitecture x86.
Result is shown for architecture parisc

64KB

configname: CONFIG_PARISC_PAGE_SIZE_64KB

Kernel page size
└─>64KB
In linux kernel since version 2.6.17 (release Date: 2006-06-17)  
depends
CONFIG_BROKEN
CONFIG_PA8X00
NOT CONFIG_KFENCE