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Date:	Thu, 06 Mar 2014 16:16:29 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
CC:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, riel@...hat.com
Subject: Re: [PATCH] mm: add pte_present() check on existing hugetlb_entry
 callbacks

On 03/06/2014 11:08 AM, Naoya Horiguchi wrote:
> And I found my patch was totally wrong because it should check
> !pte_present(), not pte_present().
> I'm testing fixed one (see below), and the problem seems not to reproduce
> in my environment at least for now.
> But I'm not 100% sure, so I need your double checking.

Nope, I still see the problem. Same NULL deref and trace as before.


Thanks,
Sasha
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