linux-kernel - Re: [PATCH 1/3] mm: use long type for page counts in mm_populate() and get_user

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Message-ID: <51130088.4010706@oracle.com>
Date:	Wed, 06 Feb 2013 20:16:56 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Michel Lespinasse <walken@...gle.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Hugh Dickins <hughd@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] mm: use long type for page counts in mm_populate()
 and get_user_pages()

On 02/06/2013 08:10 PM, Andrew Morton wrote:
> On Wed, 06 Feb 2013 19:39:11 -0500
> Sasha Levin <sasha.levin@...cle.com> wrote:
> 
>> We're now hitting the VM_BUG_ON() which was added in the last hunk of the
>> patch:
> 
> hm, why was that added.
> 
> Michel, I seem to have confused myself over this series.  I saw a
> report this morning which led me to drop
> mm-accelerate-munlock-treatment-of-thp-pages.patch but now I can't find
> that report and I'm wondering if I should have dropped
> mm-accelerate-mm_populate-treatment-of-thp-pages.patch instead.
> 
> Given that and Sasha's new report I think I'll drop
> 
> mm-use-long-type-for-page-counts-in-mm_populate-and-get_user_pages.patch
> mm-use-long-type-for-page-counts-in-mm_populate-and-get_user_pages-fix.patch
> mm-use-long-type-for-page-counts-in-mm_populate-and-get_user_pages-fix-fix.patch
> mm-accelerate-mm_populate-treatment-of-thp-pages.patch
> mm-accelerate-munlock-treatment-of-thp-pages.patch
> 
> and let's start again?

I've sent a report regarding mm-accelerate-munlock-treatment-of-thp-pages.patch
couple of hours ago (https://lkml.org/lkml/2013/2/6/699). Reverting that patch
fixed the issue reported, so I think you've dropped the right one.


Thanks,
Sasha
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