On Fri, Dec 13, 2013 at 03:53:26PM +0900, Joonsoo Kim wrote: > From: Naoya Horiguchi <n-horigu...@ah.jp.nec.com> > > Let's add a comment about where the failed page goes to, which makes > code more readable. > > Acked-by: Christoph Lameter <c...@linux.com> > Reviewed-by: Wanpeng Li <liw...@linux.vnet.ibm.com> > Signed-off-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com> > Signed-off-by: Joonsoo Kim <iamjoonsoo....@lge.com> > > diff --git a/mm/migrate.c b/mm/migrate.c > index 3747fcd..c6ac87a 100644 > --- a/mm/migrate.c > +++ b/mm/migrate.c > @@ -1123,7 +1123,12 @@ int migrate_pages(struct list_head *from, new_page_t > get_new_page, > nr_succeeded++; > break; > default: > - /* Permanent failure */ > + /* > + * Permanent failure (-EBUSY, -ENOSYS, etc.): > + * unlike -EAGAIN case, the failed page is > + * removed from migration page list and not > + * retried in the next outer loop. > + */ > nr_failed++; > break; > }
Acked-by: Rafael Aquini <aqu...@redhat.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
