linux-kernel - Re: exit_mmap() BUG_ON triggering since 3.1

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Message-ID: <20120305195952.GC17489@zod.bos.redhat.com>
Date:	Mon, 5 Mar 2012 14:59:53 -0500
From:	Josh Boyer <jwboyer@...hat.com>
To:	Hugh Dickins <hughd@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Dave Jones <davej@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	kernel-team@...oraproject.org
Subject: Re: exit_mmap() BUG_ON triggering since 3.1

On Fri, Mar 02, 2012 at 03:09:29PM -0800, Hugh Dickins wrote:
> On Fri, 2 Mar 2012, Andrew Morton wrote:
> > On Fri, 2 Mar 2012 14:53:32 -0800 (PST)
> > Hugh Dickins <hughd@...gle.com> wrote:
> > 
> > > Subject: Re: exit_mmap() BUG_ON triggering since 3.1
> > > ...
> > > Subject: [PATCH] mm: thp: fix BUG on mm->nr_ptes
> > 
> > So it's needed in 3.1.x and 3.2.x?
> 
> Indeed it would be needed in -stable, thanks, I forgot to add that.
> 
> And although Fedora only got reports from 3.1 onwards, I believe it
> would equally be needed in 3.0.x.  3.1.x is closed down now, but
> 3.0.x and 3.2.x are still open.
> 
> I've not yet tried applying it to the latest of either of those: maybe
> it applies cleanly and correctly, but I could imagine movements too.
> But the first step, yes, is to Cc: stable@...r.kernel.org

I don't see this in linux-next, 3.3-rcX, the stable-queue, or really
anywhere at all at the moment.  Did the patch get swallowed up by some
kind of evil code Eagle of Doom before making it into the safety of a
tree somewhere?

josh
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