linux-kernel - Re: [PATCH] mmtom: Prevent shrinking of active anon lru list in case of no swap space V3

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Message-Id: <20090514093050.43472421.akpm@linux-foundation.org>
Date:	Thu, 14 May 2009 09:30:50 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	MinChan Kim <minchan.kim@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	kosaki.motohiro@...fujitsu.com, hannes@...xchg.org, riel@...hat.com
Subject: Re: [PATCH] mmtom: Prevent shrinking of active anon lru list in
 case of no swap space V3

On Thu, 14 May 2009 23:15:55 +0900
MinChan Kim <minchan.kim@...il.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?

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