linux-kernel - Re: [PATCH 5/6] mm: kswapd: Treat zone->all_unreclaimable in sleeping_prematurely similar to balance

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Message-ID: <20101213194047.GG3401@mgebm.net>
Date:	Mon, 13 Dec 2010 12:40:47 -0700
From:	Eric B Munson <emunson@...bm.net>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Simon Kirby <sim@...tway.ca>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Shaohua Li <shaohua.li@...el.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-mm <linux-mm@...ck.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/6] mm: kswapd: Treat zone->all_unreclaimable in
 sleeping_prematurely similar to balance_pgdat()

On Fri, 10 Dec 2010, Mel Gorman wrote:

> After DEF_PRIORITY, balance_pgdat() considers all_unreclaimable zones to
> be balanced but sleeping_prematurely does not. This can force kswapd to
> stay awake longer than it should. This patch fixes it.
> 
> Signed-off-by: Mel Gorman <mel@....ul.ie>

Reviewed-by: Eric B Munson <emunson@...bm.net>

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