CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP (not configurable)

modulename: hugetlb_vmemmap.ko

configname: CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP

Linux Kernel Configuration
└─>File systems
└─>Pseudo filesystems
└─>HUGETLB_PAGE_OPTIMIZE_VMEMMAP
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
mm/hugetlb_vmemmap.c