linux-kernel - Re: [PATCH 0/6] mempolicy memory corruption fixlet

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Message-ID: <20120530201042.GY27374@one.firstfloor.org>
Date:	Wed, 30 May 2012 22:10:42 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
Cc:	Christoph Lameter <cl@...ux.com>, Andi Kleen <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Andrew Morton <akpm@...gle.com>, Dave Jones <davej@...hat.com>,
	Mel Gorman <mgorman@...e.de>, stable@...r.kernel.org,
	hughd@...gle.com, sivanich@....com
Subject: Re: [PATCH 0/6] mempolicy memory corruption fixlet

> Yes, that's right direction, I think. Currently, shmem_set_policy() can't handle
> nonlinear mapping.

I've been mulling for some time to just remove non linear mappings.
AFAIK they were only useful on 32bit and are obsolete and could be
emulated with VMAs instead.

-Andi
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