Messages in this thread | | | Date | Thu, 24 Jun 2021 16:12:05 +0100 | From | Matthew Wilcox <> | Subject | Re: [PATCH v2 01/46] mm: Add folio_to_pfn() |
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On Wed, Jun 23, 2021 at 08:49:55AM +0100, Christoph Hellwig wrote: > On Tue, Jun 22, 2021 at 01:15:06PM +0100, Matthew Wilcox (Oracle) wrote: > > The pfn of a folio is the pfn of its head page. > > > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > > Maybe add a kerneldoc comment stating that?
/** * folio_to_pfn - Return the Page Frame Number of a folio. * @folio: The folio. * * A folio may contain multiple pages. The pages have consecutive * Page Frame Numbers. * * Return: The Page Frame Number of the first page in the folio. */
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