From: Motohiro Kosaki <Motohiro.Kosaki@us.fujitsu.com>
To: Sasha Levin <sasha.levin@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Bob Liu <lliubbo@gmail.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
"walken@google.com" <walken@google.com>,
Motohiro Kosaki JP <kosaki.motohiro@jp.fujitsu.com>,
"riel@redhat.com" <riel@redhat.com>,
"vbabka@suse.cz" <vbabka@suse.cz>,
"stable@kernel.org" <stable@kernel.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
Bob Liu <bob.liu@oracle.com>
Subject: RE: [PATCH] mm: remove BUG_ON() from mlock_vma_page()
Date: Mon, 24 Feb 2014 09:57:35 -0800 [thread overview]
Message-ID: <6B2BA408B38BA1478B473C31C3D2074E2F6DBA97C6@SV-EXCHANGE1.Corp.FC.LOCAL> (raw)
In-Reply-To: <530A4CBE.5090305@oracle.com>
> -----Original Message-----
> From: Sasha Levin [mailto:sasha.levin@oracle.com]
> Sent: Sunday, February 23, 2014 2:32 PM
> To: Andrew Morton; Bob Liu
> Cc: linux-mm@kvack.org; walken@google.com; Motohiro Kosaki JP;
> riel@redhat.com; vbabka@suse.cz; stable@kernel.org;
> gregkh@linuxfoundation.org; Bob Liu
> Subject: Re: [PATCH] mm: remove BUG_ON() from mlock_vma_page()
>
> On 01/31/2014 03:33 PM, Andrew Morton wrote:
> > On Wed, 18 Dec 2013 08:42:49 +0800 Bob Liu<lliubbo@gmail.com> wrote:
> >
> >> >This BUG_ON() was triggered when called from try_to_unmap_cluster()
> >> >which didn't lock the page.
> >> >And it's safe to mlock_vma_page() without PageLocked, so this patch
> >> >fix this issue by removing that BUG_ON() simply.
> >> >
> > This patch doesn't appear to be going anywhere, so I will drop it.
> > Please let's check to see whether the bug still exists and if so,
> > start another round of bugfixing.
>
> This bug still happens on the latest -next kernel.
Yeah, I recognized it. I'm preparing new patch. Thanks.
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next prev parent reply other threads:[~2014-02-24 18:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-18 0:42 Bob Liu
2013-12-18 9:36 ` Vlastimil Babka
2013-12-18 10:26 ` Bob Liu
2013-12-18 19:31 ` Motohiro Kosaki
2013-12-18 22:30 ` Andrew Morton
2014-01-31 20:33 ` Andrew Morton
2014-02-23 19:32 ` Sasha Levin
2014-02-24 17:57 ` Motohiro Kosaki [this message]
2014-03-03 16:12 ` Vlastimil Babka
2014-03-11 18:43 ` Dave Jones
2014-03-20 9:18 ` Bob Liu
2014-03-20 10:36 ` Vlastimil Babka
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