On 9/21/2023 4:15 PM, Minjie Du wrote: > Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using > the existing helper folio_next_index() in filemap_map_pages(). > > Signed-off-by: Minjie Du <duminjie@xxxxxxxx> Reviewed-by: Yin Fengwei <fengwei.yin@xxxxxxxxx> Regards Yin, Fengwei > --- > mm/filemap.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/filemap.c b/mm/filemap.c > index 4ea4387053e8..f8d0b97f9e94 100644 > --- a/mm/filemap.c > +++ b/mm/filemap.c > @@ -3591,7 +3591,7 @@ vm_fault_t filemap_map_pages(struct vm_fault *vmf, > addr += (xas.xa_index - last_pgoff) << PAGE_SHIFT; > vmf->pte += xas.xa_index - last_pgoff; > last_pgoff = xas.xa_index; > - end = folio->index + folio_nr_pages(folio) - 1; > + end = folio_next_index(folio) - 1; > nr_pages = min(end, end_pgoff) - xas.xa_index + 1; > > if (!folio_test_large(folio))
