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
> 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.