Re: [PATCH v5 9/9] mm: switch deferred split shrinker to list_lru

[Lance Yang]

On 2026/6/1 18:39, Lance Yang wrote:
> On Wed, May 27, 2026 at 04:45:16PM -0400, Johannes Weiner wrote:
> [...]
> > diff --git a/mm/memory.c b/mm/memory.c
> > index 135f5c0f57bd..f22e61d8c8de 100644
> > --- a/mm/memory.c
> > +++ b/mm/memory.c
> > @@ -5222,6 +5222,10 @@ static struct folio *alloc_anon_folio(struct vm_fault *vmf)
> > 			folio_put(folio);
> > 			goto next;
> > 		}
> > +		if (order > 1 && folio_memcg_alloc_deferred(folio)) {
> > +			folio_put(folio);
>
> Missing a MTHP_STAT_ANON_FAULT_FALLBACK bump here?
>
> Since we jump straight to fallback and end up at order-0 :)

Sorry for the noise, I missed the earlier discussion. Never mind this 
one, please.

> > +			goto fallback;
> > +		}
> > 		folio_throttle_swaprate(folio, gfp);
> > 		/*
> > 		 * When a folio is not zeroed during allocation
> [...]
>
> Cheers, Lance