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AKwUvBy852R/h2GzvnVo1z0RyXzwSjcGyNo0cODL7wfe7ZLyNY3hmDAL2lNubFDiLOr2YxTkgd8witDeWt5ysCs=@vger.kernel.org X-Gm-Message-State: AFuF++ku+RteB+QSO7m99pRM0+oWYEL/Tg9+I3Er59vrwjMt+lVoBr09 0r+3JmvBIUb6MLP9txrbNjCUDGpFF2Zaucj+Ma4Lug2IqbtNNACeGDewAfkXlqPu00ohqDuMeOH dULsFig== X-Received: from plxe5.prod.google.com ([2002:a17:902:ef45:b0:2c9:b703:3bfb]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:3887:b0:2cc:864b:539 with SMTP id d9443c01a7336-2daec625d64mr73388455ad.6.1788355748310; Wed, 02 Sep 2026 06:29:08 -0700 (PDT) Date: Wed, 2 Sep 2026 06:29:07 -0700 In-Reply-To: <02876cea-5727-2ca4-bead-73659ea6fec4@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <02876cea-5727-2ca4-bead-73659ea6fec4@google.com> Message-ID: Subject: Re: [PATCH] mm/folio: EXPORT_SYMBOL_FOR_KVM(lru_cache_drain_for_folio) From: Sean Christopherson To: Hugh Dickins Cc: Andrew Morton , Ackerley Tng , Binbin Wu , David Hildenbrand , Fuad Tabba , Matthew Wilcox , Vlastimil Babka , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Type: text/plain; charset="us-ascii" On Tue, Sep 01, 2026, Hugh Dickins wrote: > From: Ackerley Tng > > To simplify independent development in the KVM and MM subsystems, now > export to KVM the lru_cache_drain_for_folio() which MM added in 7.3-rc1. > > Link: https://lore.kernel.org/lkml/bd6c9c74-e374-a9d3-ba1f-8b6f430894fc@google.com/T/#u > Acked-by: Vlastimil Babka (SUSE) > Suggested-by: David Hildenbrand > Reviewed-by: Fuad Tabba > Reviewed-by: Binbin Wu > Signed-off-by: Ackerley Tng > Signed-off-by: Hugh Dickins > --- > Hoping for 7.3-rc2, which would make my life easier: thanks! FWIW, squeezing this into rc2 would make my life (marginally) easier as well, as this is the only non-KVM change in Ackerley's guest_memfd series. > mm/folio.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/mm/folio.c b/mm/folio.c > index c02dcea9c03c..50a6dbe55998 100644 > --- a/mm/folio.c > +++ b/mm/folio.c > @@ -33,6 +33,7 @@ > #include > #include > #include > +#include > > #include "internal.h" > #include "page_alloc.h" > @@ -926,6 +927,7 @@ void lru_cache_drain_for_folio(const struct folio *folio, > *drained = LRU_CACHE_DRAINED_ALL; > } > } > +EXPORT_SYMBOL_FOR_KVM(lru_cache_drain_for_folio); > > atomic_t lru_disable_count = ATOMIC_INIT(0); > > -- > base-commiti: cee9395acd8043be0644b25c34bfa86623f2b935