On Wed, Jun 23, 2021 at 11:43:20AM +0200, Christoph Hellwig wrote: > On Tue, Jun 22, 2021 at 01:15:36PM +0100, Matthew Wilcox (Oracle) wrote: > > Transform clear_page_dirty_for_io() into folio_clear_dirty_for_io() > > and add a compatibility wrapper. Also move the declaration to pagemap.h > > as this is page cache functionality that doesn't need to be used by the > > rest of the kernel. > > > > Increases the size of the kernel by 79 bytes. While we remove a few > > calls to compound_head(), we add a call to folio_nr_pages() to get the > > stats correct. > > ... for the eventual support of multi-page folios. Added.
