linux-kernel - Re: [resend][PATCH -mm] split_lru: fix pagevec_move

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Date:	Tue, 1 Jul 2008 09:38:40 -0400
From:	Rik van Riel <riel@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"MinChan Kim" <minchan.kim@...il.com>,
	kosaki.motohiro@...fujitsu.com
Subject: Re: [resend][PATCH -mm] split_lru: fix pagevec_move_tail() doesn't
 treat unevictable page

On Tue, 01 Jul 2008 17:26:51 +0900
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>

Acked-by: Rik van Riel <riel@...hat.com>

Good catch!
 
> @@ -116,7 +116,7 @@ static void pagevec_move_tail(struct pag
>  			zone = pagezone;
>  			spin_lock(&zone->lru_lock);
>  		}
> -		if (PageLRU(page) && !PageActive(page)) {
> +		if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
>  			int lru = page_is_file_cache(page);
>  			list_move_tail(&page->lru, &zone->lru[lru].list);
>  			pgmoved++;

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