HugeTLB Vmemmap Optimization (HVO) defaults to on
configname: CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON
Linux Kernel Configuration
└─>File systems
└─>Pseudo filesystems
└─>HugeTLB file system support
└─>HugeTLB Vmemmap Optimization (HVO) defaults to on
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
The HugeTLB Vmemmap Optimization (HVO) defaults to off. Say Y here to
enable HVO by default. It can be disabled via hugetlb_free_vmemmap=off
(boot command line) or hugetlb_optimize_vmemmap (sysctl).
enable HVO by default. It can be disabled via hugetlb_free_vmemmap=off
(boot command line) or hugetlb_optimize_vmemmap (sysctl).