在 2020/11/5 上午12:59, Johannes Weiner 写道: > 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! > Thanks a lot for both comments! I will pick them and sent out in v21. Thanks! Alex