linux-kernel - Re: [PATCH 2/8] badpage: keep any bad page out of circulation

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Date:	Mon, 1 Dec 2008 08:49:11 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Hugh Dickins <hugh@...itas.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Dave Jones <davej@...hat.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 2/8] badpage: keep any bad page out of circulation

On Mon, 1 Dec 2008, Hugh Dickins wrote:

> Until now the bad_page() checkers have special-cased PageReserved, keeping
> those pages out of circulation thereafter.  Now extend the special case to
> all: we want to keep ANY page with bad state out of circulation - the
> "free" page may well be in use by something.

If I screw up with a VM patch then my machine will now die because of OOM
instead of letting me shutdown and reboot?
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