On Tue, Aug 25, 2020 at 02:02:03PM -0700, Darrick J. Wong wrote: > > /* > > - * Structure allocated for each page when block size < PAGE_SIZE to track > > + * Structure allocated for each page when block size < page size to track > > * sub-page uptodate status and I/O completions. > > "for each regular page or head page of a huge page"? Or whatever we're > calling them nowadays? Well, that's what I'm calling a "page" ;-) How about "for each page or THP"? The fact that it's stored in the head page is incidental -- it's allocated for the THP.
