From: Bob Liu <lliubbo@gmail.com>
To: Jiri Slaby <jslaby@suse.cz>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [PATCH 0/2] kernel BUG at mm/huge_memory.c:212!
Date: Wed, 12 Dec 2012 13:36:36 +0800 [thread overview]
Message-ID: <CAA_GA1dZm7LYe46vdurFf8avbSViPeT2jC_L0A3Oejg97RsmBA@mail.gmail.com> (raw)
In-Reply-To: <50BCA2E4.8050600@suse.cz>
On Mon, Dec 3, 2012 at 9:02 PM, Jiri Slaby <jslaby@suse.cz> wrote:
> On 11/30/2012 04:03 PM, Kirill A. Shutemov wrote:
>> From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
>>
>> Hi Jiri,
>>
>> Sorry for late answer. It took time to reproduce and debug the issue.
>>
>> Could you test two patches below by thread. I expect it to fix both
>> issues: put_huge_zero_page() and Bad rss-counter state.
>
> Hi, yes, since applying the patches on the last Thu, it didn't recur.
>
>> Kirill A. Shutemov (2):
>> thp: fix anononymous page accounting in fallback path for COW of HZP
>> thp: avoid race on multiple parallel page faults to the same page
>>
>> mm/huge_memory.c | 30 +++++++++++++++++++++++++-----
>> 1 file changed, 25 insertions(+), 5 deletions(-)
>
I still saw this bug on 3.7.0-rc8, but it's hard to reproduce it.
It appears only once.
--
Regards,
--Bob
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next prev parent reply other threads:[~2012-12-12 5:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-27 21:18 Jiri Slaby
2012-11-27 23:47 ` David Rientjes
2012-11-29 7:38 ` Bob Liu
2012-11-30 15:03 ` [PATCH 0/2] " Kirill A. Shutemov
2012-11-30 15:03 ` [PATCH 1/2] thp: fix anononymous page accounting in fallback path for COW of HZP Kirill A. Shutemov
2012-12-03 3:14 ` Bob Liu
2012-12-03 8:15 ` Kirill A. Shutemov
2012-11-30 15:03 ` [PATCH 2/2] thp: avoid race on multiple parallel page faults to the same page Kirill A. Shutemov
2012-12-03 2:29 ` Bob Liu
2012-12-03 13:02 ` [PATCH 0/2] kernel BUG at mm/huge_memory.c:212! Jiri Slaby
2012-12-12 5:36 ` Bob Liu [this message]
2012-12-12 10:59 ` Kirill A. Shutemov
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