<...2nd part> > From: Jason Gunthorpe <jgg@xxxxxxxxxx> > Sent: Tuesday, November 8, 2022 8:49 AM > + > +/* pfn_reader_user is just the pin_user_pages() path */ > +struct pfn_reader_user { > + struct page **upages; > + size_t upages_len; > + unsigned long upages_start; > + unsigned long upages_end; > + unsigned int gup_flags; > + int locked; document what locked==-1/0/1 means > +/* This is the "modern" and faster accounting method used by io_uring */ double spaces before 'and' > +/* Process a single span in the access_itree */ in all storages.