Messages in this thread | | | Date | Tue, 31 Jan 2023 15:17:42 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm/gup: Add folio to list when folio_isolate_lru() succeed |
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On Tue, 31 Jan 2023 14:32:06 +0800 Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> wrote:
> If we call folio_isolate_lru() successfully, we will get > return value 0. We need to add this folio to the > movable_pages_list. > > Fixes: 67e139b02d99 ("mm/gup.c: refactor check_and_migrate_movable_pages()") > Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> > > ... > > --- a/mm/gup.c > +++ b/mm/gup.c > @@ -1914,7 +1914,7 @@ static unsigned long collect_longterm_unpinnable_pages( > drain_allow = false; > } > > - if (!folio_isolate_lru(folio)) > + if (folio_isolate_lru(folio)) > continue; > > list_add_tail(&folio->lru, movable_page_list);
Thanks. What are the user-visible effects of this bug?
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