On Sun, May 17, 2020 at 11:47:18PM +0200, Guoqing Jiang wrote: > We can cleanup code a little by call detach_page_private here. > > Signed-off-by: Guoqing Jiang <guoqing.ji...@cloud.ionos.com> > --- > No change since RFC V3. > > mm/migrate.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/mm/migrate.c b/mm/migrate.c > index 5fed0305d2ec..f99502bc113c 100644 > --- a/mm/migrate.c > +++ b/mm/migrate.c > @@ -804,10 +804,7 @@ static int __buffer_migrate_page(struct address_space > *mapping, > if (rc != MIGRATEPAGE_SUCCESS) > goto unlock_buffers; > > - ClearPagePrivate(page); > - set_page_private(newpage, page_private(page)); > - set_page_private(page, 0); > - put_page(page); > + set_page_private(newpage, detach_page_private(page));
attach_page_private(newpage, detach_page_private(page)); Cheers, Dave. -- Dave Chinner da...@fromorbit.com
