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. Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>