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Message-ID: <5342BCB1.9010109@oracle.com>
Date: Mon, 07 Apr 2014 10:56:49 -0400
From: Sasha Levin <sasha.levin@...cle.com>
To: "Kirill A. Shutemov" <kirill@...temov.name>,
Hugh Dickins <hughd@...gle.com>
CC: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Andrew Morton <akpm@...ux-foundation.org>,
David Rientjes <rientjes@...gle.com>,
Andrea Arcangeli <aarcange@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, Mel Gorman <mgorman@...e.de>,
Dave Jones <davej@...hat.com>, linux-mm <linux-mm@...ck.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: mm: BUG in do_huge_pmd_wp_page
On 04/07/2014 10:48 AM, Kirill A. Shutemov wrote:
> On Fri, Apr 04, 2014 at 03:37:20PM -0400, Sasha Levin wrote:
>> > And another ping exactly a year later :)
> I think we could "fix" this false positive with the patch below
> (untested), but it's ugly and doesn't add much value.
I could carry that patch myself and not complain about it
any more if there's no intent to produce a "real" fix, but
I doubt that that's really the path we want to take in the
long run.
We'll end up with a bunch of broken paths when enabling
debug, making any sort of debugging slow and useless, which
isn't a desirable result to say the least.
Thanks,
Sasha
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