> @@ -1203,6 +1206,8 @@ static void shrink_active_list(unsigned 
quoted text
>  			__mod_zone_page_state(zone, NR_ACTIVE, pgmoved);
>  			pgmoved = 0;
>  			spin_unlock_irq(&zone->lru_lock);
> +			if (vm_swap_full())
> +				pagevec_swap_free(&pvec);
>  			__pagevec_release(&pvec);
>  			spin_lock_irq(&zone->lru_lock);
>  		}
> @@ -1212,6 +1217,8 @@ static void shrink_active_list(unsigned 
>  	__count_zone_vm_events(PGREFILL, zone, pgscanned);
>  	__count_vm_events(PGDEACTIVATE, pgdeactivate);
>  	spin_unlock_irq(&zone->lru_lock);
> +	if (vm_swap_full())
> +		pagevec_swap_free(&pvec);
>  
>  	pagevec_release(&pvec);
>  }

I'm sorry if I misunderstand your patches, but is this part needed
after
  [PATCH -mm 07/16] second chance replacement for anonymous pages
is applied?
After the patch, if shrink_active_list() is called about
anon pages(that is, with file=0), those pages should go to inactive list,
so they should not be removed from swap cache, should they?


Thanks,
Daisuke Nishimura.

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