linux-kernel - Re: [munlock] BUG: Bad page map in process killall5 pte:cf17e720 pmd:05a22067

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Message-ID: <20130926022310.GA12047@localhost>
Date:	Thu, 26 Sep 2013 10:23:10 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Bob Liu <lliubbo@...il.com>
Cc:	Bob Liu <bob.liu@...cle.com>, Vlastimil Babka <vbabka@...e.cz>,
	Linux-MM <linux-mm@...ck.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [munlock] BUG: Bad page map in process killall5 pte:cf17e720
 pmd:05a22067

On Thu, Sep 26, 2013 at 10:17:59AM +0800, Bob Liu wrote:
> On Thu, Sep 26, 2013 at 9:59 AM, Fengguang Wu <fengguang.wu@...el.com> wrote:
> > Hi Bob,
> >
> > On Thu, Sep 26, 2013 at 09:48:08AM +0800, Bob Liu wrote:
> >> Hi Fengguang,
> >>
> >> Would you please have a try with the attached patch?
> >> It added a small fix based on Vlastimil's patch.
> >
> > Thanks for the quick response! I just noticed Andrew added this patch
> > to -mm tree:
> >
> > ------------------------------------------------------
> > From: Vlastimil Babka <vbabka@...e.cz>
> > Subject: mm/mlock.c: prevent walking off the end of a pagetable in no-pmd configuration
> >
> > What's the git tree your v2 patch based on? If you already had a git
> 
> It's based on v3.12-rc1.  Should I send you a new one based on latest mmotm?

Not necessary for now. However it'd be good to know whether Vlastimil
has reviewed your v2 fix.

Thanks,
Fengguang
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