linux-kernel - Re: [patch 3.5-rc3] mm, mempolicy: fix mbind() to do synchronous migration

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Message-ID: <CA+55aFzPXMD3N3Oy-om6utDCQYmrBDnDgdqpVC5cgKe-v6uZ3w@mail.gmail.com>
Date:	Thu, 21 Jun 2012 17:46:52 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	David Rientjes <rientjes@...gle.com>, Mel Gorman <mgorman@...e.de>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch 3.5-rc3] mm, mempolicy: fix mbind() to do synchronous migration

On Thu, Jun 21, 2012 at 4:46 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>
> I can't really do anything with this patch - it's a bug added by
> Peter's "mm/mpol: Simplify do_mbind()" and added to linux-next via one
> of Ingo's trees.
>
> And I can't cleanly take the patch over as it's all bound up with the
> other changes for sched/numa balancing.

I took the patch, it looked obviously correct (passing in a boolean
was clearly crap).

I wonder if I should make sparse warn about any casts to/from enums.
They tend to always be wrong.

                Linus
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