On Thu, Jul 15, 2021 at 04:35:18AM +0100, Matthew Wilcox (Oracle) wrote: > This function is the equivalent of page_mapped(). It is slightly > shorter as we do not need to handle the PageTail() case. Reimplement > page_mapped() as a wrapper around folio_mapped(). folio_mapped() > is 13 bytes smaller than page_mapped(), but the page_mapped() wrapper > is 30 bytes, for a net increase of 17 bytes of text. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Reviewed-by: David Howells <dhowells@xxxxxxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > --- > include/linux/mm.h | 1 + > include/linux/mm_types.h | 6 ++++++ > mm/folio-compat.c | 6 ++++++ > mm/util.c | 29 ++++++++++++++++------------- > 4 files changed, 29 insertions(+), 13 deletions(-) Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>