Constant MAP_HUGE_256MB
pub const MAP_HUGE_256MB: usize = HUGETLB_FLAG_ENCODE_256MB; // 1_879_048_192usizeAvailable on crate feature
dep_nc only.pub const MAP_HUGE_256MB: usize = HUGETLB_FLAG_ENCODE_256MB; // 1_879_048_192usizedep_nc only.