On Mon, Jul 04, 2022 at 09:21:58PM +0800, Miaohe Lin wrote: > The current comment is confusing because if global or memcg deferred list > in the second tail page is occupied by compound_head, why we still use > page[2].deferred_list here? I think it wants to say that Global or memcg > deferred list in the first tail page is occupied by compound_mapcount and > compound_pincount so we use the second tail page's deferred_list instead. > > Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Thanks.