On Tue, 25 Jun 2024 20:15:47 +0800 "yongfa.hu" <hushange@xxxxxxx> wrote: > when function kswapd_shrink_node return, it will not check the condition > mentioned in the removed comments: "if the lack of progress was > due to pages under writeback", so remove it. Is this correct? shrink_folio_list() can skip under-writeback pages? > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -6747,8 +6747,7 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, > * zone that is currently unbalanced. > * > * Returns true if kswapd scanned at least the requested number of pages to > - * reclaim or if the lack of progress was due to pages under writeback. > - * This is used to determine if the scanning priority needs to be raised. > + * reclaim. This is used to determine if the scanning priority needs to be raised. > */ > static bool kswapd_shrink_node(pg_data_t *pgdat, > struct scan_control *sc) > -- > 2.17.1
