On Wed, Nov 04, 2020 at 07:55:39PM +0800, Alex Shi wrote: > @@ -1380,6 +1383,14 @@ struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgd > return lruvec; > } > > +/** > + * lock_page_lruvec - return lruvec for the locked page. I would say "lock and return the lruvec for a given page" > + * @page: the page > + * > + * This series functions should be used in either conditions: > + * PageLRU is cleared or unset > + * or, page->_refcount is zero or page is locked The other changes look good to me, thanks!