Function cpp_make_partially_committed_pager_vmo 

pub unsafe extern "C" fn cpp_make_partially_committed_pager_vmo(
    num_pages: usize,
    committed_pages: usize,
    trap_dirty: bool,
    resizable: bool,
    ignore_requests: bool,
    out_pages: *mut *mut vm_page_t,
    out_vmo: *mut *mut VmObjectPaged,
) -> zx_status_t