linux-kernel - Re: [PATCH] vmscan: skip freeing memory from zones with lots free

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Message-Id: <20081129105120.cfb8c035.akpm@linux-foundation.org>
Date:	Sat, 29 Nov 2008 10:51:20 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Rik van Riel <riel@...hat.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: Re: [PATCH] vmscan: skip freeing memory from zones with lots free

On Sat, 29 Nov 2008 13:41:34 -0500 Rik van Riel <riel@...hat.com> wrote:

> Andrew Morton wrote:
> > On Sat, 29 Nov 2008 12:58:32 -0500 Rik van Riel <riel@...hat.com> wrote:
> > 
> >>> Will this new patch reintroduce the problem which
> >>> 26e4931632352e3c95a61edac22d12ebb72038fe fixed?
> 
> No, that problem is already taken care of by the fact that
> active pages always get deactivated in the current VM,
> regardless of whether or not they were referenced.

err, sorry, that was the wrong commit. 
26e4931632352e3c95a61edac22d12ebb72038fe _introduced_ the problem, as
predicted in the changelog.

265b2b8cac1774f5f30c88e0ab8d0bcf794ef7b3 later fixed it up.
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