Function mmtk::util::memory::dzmmap_noreplace

pub fn dzmmap_noreplace(
    start: Address,
    size: usize,
    strategy: MmapStrategy
) -> Result<()>

Demand-zero mmap (no replace): This function mmaps the memory and guarantees to zero all mapped memory. This function will not overwrite existing memory mapping, and it will result Err if there is an existing mapping.