29 pub unsafe fn clear_user(dest: VirtAddr, len: usize) -> Result<usize, SystemError> {  in clear_user()
38 pub unsafe fn copy_to_user(dest: VirtAddr, src: &[u8]) -> Result<usize, SystemError> {  in copy_to_user()
48 pub unsafe fn copy_from_user(dst: &mut [u8], src: VirtAddr) -> Result<usize, SystemError> {  in copy_from_user()
77     max_length: Option<usize>,  in check_and_clone_cstr()
171     pub fn new<U>(addr: *const U, len: usize, from_user: bool) -> Result<Self, SystemError> {  in new()
180     pub fn size(&self) -> usize {  in size()
209         offset: usize,  in copy_from_user()
210     ) -> Result<usize, SystemError> {  in copy_from_user()
224         offset: usize,  in copy_one_from_user()
279     pub fn new<U>(addr: *mut U, len: usize, from_user: bool) -> Result<Self, SystemError> {  in new()
288     pub fn size(&self) -> usize {  in size()
301         offset: usize,  in copy_to_user()
302     ) -> Result<usize, SystemError> {  in copy_to_user()
317         offset: usize,  in copy_one_to_user()