CONFIG_SYS_SUPPORTS_HUGETLBFS is not available for the selected architecture x86.
Result is shown for architecture tile

CONFIG_SYS_SUPPORTS_HUGETLBFS (not configurable)

configname: CONFIG_SYS_SUPPORTS_HUGETLBFS

Linux Kernel Configuration
└─>SYS_SUPPORTS_HUGETLBFS
In linux kernel since version 2.6.31 (release Date: 2009-09-09)