On Wed, Mar 30, 2022 at 06:03:01PM +0800, Shiyang Ruan wrote: > > Because I am not sure if the offset between each layer is page aligned. For > example, when pmem dirver handles ->memory_failure(), it should subtract its > ->data_offset when it calls dax_holder_notify_failure().
If they aren't, none of the DAX machinery would work.
