On Thu, Jul 15, 2021 at 04:35:10AM +0100, Matthew Wilcox (Oracle) wrote: > Add an end_page_writeback() wrapper function for users that are not yet > converted to folios. > > folio_end_writeback() is less than half the size of end_page_writeback() > at just 105 bytes compared to 228 bytes, due to removing all the > compound_head() calls. The 30 byte wrapper function makes this a net > saving of 93 bytes. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Layton <jlayton@xxxxxxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx> > Reviewed-by: David Howells <dhowells@xxxxxxxxxx> > --- > include/linux/pagemap.h | 3 ++- > mm/filemap.c | 43 ++++++++++++++++++++--------------------- > mm/folio-compat.c | 6 ++++++ > 3 files changed, 29 insertions(+), 23 deletions(-) Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>