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

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Message-ID: <CAHGf_=p3b8FGaxoYfO_89yZTRZ4LdTxoeoBd=Fj0Ua0aLXvPGw@mail.gmail.com>
Date:	Wed, 30 May 2012 16:10:35 -0400
From:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Andrew Morton <akpm@...gle.com>, Dave Jones <davej@...hat.com>,
	Mel Gorman <mgorman@...e.de>, Christoph Lameter <cl@...ux.com>,
	stable@...r.kernel.org, hughd@...gle.com
Subject: Re: [PATCH 0/6] mempolicy memory corruption fixlet

On Wed, May 30, 2012 at 2:26 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Wed, May 30, 2012 at 2:02 AM,  <kosaki.motohiro@...il.com> wrote:
>>
>> So, I think we should reconsider about shared mempolicy completely.
>
> Quite frankly, I'd prefer that approach. The code is subtle and
> horribly bug-fraught, and I absolutely detest the way it looks too.
> Reading your patches was actually somewhat painful.

Oh, very sorry. I made effort to make smallest and simplest patches.
But I couldn't I do better. Current MPOL_F_SHARED is cra^H^H^H
complex. ;-)


> If we could just remove the support for it entirely, that would be
> *much* preferable to continue working with this code.
>
> Could we just try that removal, and see if anybody screams?

I'm keeping neutral a while and hope to hear other developers opinion.

Thank you.
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