linux-kernel - Re: [patch 06/19] split LRU lists into anon & file sets

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Message-Id: <20080107182302.a6f268fc.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 7 Jan 2008 18:23:02 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	riel@...hat.com
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	lee.schermerhorn@...com, Lee Schermerhorn <Lee.Schermerhorn@...com>
Subject: Re: [patch 06/19] split LRU lists into anon & file sets

On Wed, 02 Jan 2008 17:41:50 -0500
linux-kernel@...r.kernel.org wrote:


>  static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
> -				struct scan_control *sc, int priority)
> +				struct scan_control *sc, int priority, int file)
>  {
>  	unsigned long pgmoved;
>  	int pgdeactivate = 0;
> @@ -1128,64 +1026,65 @@ static void shrink_active_list(unsigned 
>  	struct list_head list[NR_LRU_LISTS];
>  	struct page *page;
>  	struct pagevec pvec;
> -	int reclaim_mapped = 0;
> -	enum lru_list l;
> +	enum lru_list lru;
<snip>

> +	/*
> +	 * For sorting active vs inactive pages, we'll use the 'anon'
> +	 * elements of the local list[] array and sort out the file vs
> +	 * anon pages below.
> +	 */

This is not easy to read.... (this definition affects later patches...)

How about adding some new enum (only) for this function ?
like
 LRU_STAY_ACTIVE = 0,
 LRU_MOVE_INACTIVE = 1,

Thanks,
-Kame

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