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Date: Tue, 25 Aug 2020 20:32:08 -0700 From: "Darrick J. Wong" <darrick.wong@...cle.com> To: Matthew Wilcox <willy@...radead.org> Cc: linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 5/9] iomap: Support arbitrarily many blocks per page 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
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