linux-kernel - Re: [PATCH 2/4] vmscan: make lru

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Date:	Fri, 27 Nov 2009 14:47:59 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Vincent Li <macli@....ubc.ca>
Cc:	kosaki.motohiro@...fujitsu.com,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/4] vmscan: make lru_index() helper function

> > @@ -1373,10 +1378,8 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
> >  	 */
> >  	reclaim_stat->recent_rotated[file] += nr_rotated;
> >  
> > -	move_active_pages_to_lru(zone, &l_active,
> > -						LRU_ACTIVE + file * LRU_FILE);
> > -	move_active_pages_to_lru(zone, &l_inactive,
> > -						LRU_BASE   + file * LRU_FILE);
> > +	move_active_pages_to_lru(zone, &l_active, lru_index(1, file));
> > +	move_active_pages_to_lru(zone, &l_inactive, lru_index(0, file));
> 
> How about:
> 	move_active_pages_to_lru(zone, &l_active, lru_index(LRU_ACTIVE, file));
> 	move_active_pages_to_lru(zone, &l_inactive, lru_index(LRU_BASE, file));
> ?

No. lru_index mean convert two boolean to one index. it shoudn't be passed
lru index itself.




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