On Sun, Dec 12, 2021 at 06:22:20AM -0800, Dan Williams wrote:

quoted

- * Use the 'no check' versions of copy_from_iter_flushcache() and
- * copy_mc_to_iter() to bypass HARDENED_USERCOPY overhead. Bounds
+ * Use the 'no check' versions of _copy_from_iter_flushcache() and
+ * _copy_mc_to_iter() to bypass HARDENED_USERCOPY overhead. Bounds
  * checking, both file offset and device offset, is handled by
  * dax_iomap_actor()
  */

This comment change does not make sense since it is saying why pmem is
using the "_" versions. However, I assume this whole comment goes away
in a later patch.

It does not go away in this series.