Re: [PATCH] vmscan: prevent background aging of anon page in no swap system

[KOSAKI Motohiro]

> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 1b145e6..0b8a3ce 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -1747,7 +1747,7 @@ static void shrink_zone(int priority, struct zone *zone,
>          * Even if we did not try to evict anon pages at all, we want to
>          * rebalance the anon lru active/inactive ratio.
>          */
> -       if (inactive_anon_is_low(zone, sc) && nr_swap_pages > 0)
> +       if (nr_swap_pges > 0 && inactive_anon_is_low(zone, sc))

Sorry, I don't find any difference. What is your intention?


>                 shrink_active_list(SWAP_CLUSTER_MAX, zone, sc, priority, 0);
> 
>         throttle_vm_writeout(sc->gfp_mask);
> 
> But Andrew merged middle version.
> I will send this patch again.
> 
> Thanks.
> 
> -- 
> Kind regards,
> Minchan Kim



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