On Wed, Aug 26, 2020 at 03:26:23AM +0100, Matthew Wilcox wrote: > 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. Ok. --D