On Mon, Jun 28, 2021 at 12:53:23PM +0100, Mel Gorman wrote: > > This made it into 5.13 final, and completely breaks NFSD for me (Serving tcp v3 mounts). > > Existing mounts on clients hang, as do new mounts from new clients. > > Rebooting the server back to rc7 everything recovers. Bisect lands on > > this commit. > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index ef2265f86b91..04220581579c 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -5058,7 +5058,7 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid, > > /* Already populated array? */ > if (unlikely(page_array && nr_pages - nr_populated == 0)) > - return 0; > + return nr_populated; Yep, this works. Dave
