On Thu, Jul 16, 2015 at 04:33:07AM +0200, Andi Kleen wrote:
> > @@ -909,6 +909,15 @@ int get_hwpoison_page(struct page *page)
> > * directly for tail pages.
> > */
> > if (PageTransHuge(head)) {
> > + /*
> > + * Non anonymous thp exists only in allocation/free time. We
> > + * can't handle such a case correctly, so let's give it up.
> > + * This should be better than triggering BUG_ON when kernel
> > + * tries to touch a "partially handled" page.
> > + */
> > + if (!PageAnon(head))
> > + return 0;
>
> Please print a message for this case. In the future there will be
> likely more non anonymous THP pages from Kirill's large page cache work
> (so eventually we'll need it)
OK, I'll do this.
Thanks,
Naoya Horiguchi
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href