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SubjectRe: [PATCH 0/2] kernel BUG at mm/huge_memory.c:212!
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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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