From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+w=401wt.eu-S1755757AbZENQbx@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1755757AbZENQbx (ORCPT <rfc822;w@1wt.eu>);
	Thu, 14 May 2009 12:31:53 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752137AbZENQbo
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Thu, 14 May 2009 12:31:44 -0400
Received: from smtp1.linux-foundation.org ([140.211.169.13]:51183 "EHLO
	smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK)
	by vger.kernel.org with ESMTP id S1751909AbZENQbn (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Thu, 14 May 2009 12:31:43 -0400
Date: Thu, 14 May 2009 09:30:50 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: MinChan Kim <minchan.kim@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       kosaki.motohiro@jp.fujitsu.com, hannes@cmpxchg.org, riel@redhat.com
Subject: Re: [PATCH] mmtom: Prevent shrinking of active anon lru list in
 case of no swap space V3
Message-Id: <20090514093050.43472421.akpm@linux-foundation.org>
In-Reply-To: <20090514231555.f52c81eb.minchan.kim@gmail.com>
References: <20090514231555.f52c81eb.minchan.kim@gmail.com>
X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, 14 May 2009 23:15:55 +0900
MinChan Kim <minchan.kim@gmail.com> wrote:

> Now shrink_zone can deactivate active anon pages even if we don't have a swap device. 
> Many embedded products don't have a swap device. So the deactivation of anon pages is unnecessary. 

Does shrink_list() need to scan the anon LRUs at all if there's no swap
online?