> Yes. It made subtle change.
> But we should not depend that change.
> Current logic seems to be good and clear than old.
> I think you were lucky at that time by not-good and not-clear logic.
>
> BTW, How about this?
Unfortunatelly, memcg need your removed code. if removed, swapping out
might happen although sc->may_swap==0 when priority==0.
Please give me little investigate time.
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 79c8098..f0df563 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -1646,11 +1646,6 @@ static void shrink_zone(int priority, struct zone *zone,
> int file = is_file_lru(l);
> unsigned long scan;
>
> - if (percent[file] == 0) {
> - nr[l] = 0;
> - continue;
> - }
> -
> scan = zone_nr_lru_pages(zone, sc, l);
> if (priority) {
> scan >>= priority;
>
>
>
>
> --
> Kind regards,
> Minchan Kim
>
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