Re: Suspicious error for CMA stress test

From	Joonsoo Kim <js1304@gmail.com>
Newsgroups	linux.kernel
Subject	Re: Suspicious error for CMA stress test
Date	2016-03-23 09:40 +0100
Message-ID	<rfMuD-KQ-19@gated-at.bofh.it> (permalink)
References	(7 earlier) <rdIls-MU-23@gated-at.bofh.it> <rdIv7-Qo-3@gated-at.bofh.it> <re3pU-6Yy-13@gated-at.bofh.it> <rfIU1-6Hf-1@gated-at.bofh.it> <rfMkW-HG-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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2016-03-23 17:26 GMT+09:00 Vlastimil Babka <vbabka@suse.cz>:
> On 03/23/2016 05:44 AM, Joonsoo Kim wrote:
>>>
>>>
>>> Fixes: 3c605096d315 ("mm/page_alloc: restrict max order of merging on
>>> isolated pageblock")
>>> Link: https://lkml.org/lkml/2016/3/2/280
>>> Reported-by: Hanjun Guo <guohanjun@huawei.com>
>>> Debugged-by: Laura Abbott <labbott@redhat.com>
>>> Debugged-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>>> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
>>> Cc: <stable@vger.kernel.org> # 3.18+
>>> ---
>>>   mm/page_alloc.c | 46 +++++++++++++++++++++++++++++++++-------------
>>>   1 file changed, 33 insertions(+), 13 deletions(-)
>>
>>
>> Acked-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>>
>> Thanks for taking care of this issue!.
>
>
> Thanks for the review. But I'm now not sure whether we push this to
> mainline+stable now, and later replace with Lucas' approach, or whether that
> approach would be also suitable and non-disruptive enough for stable?

Lucas' approach is for improvement and would be complex rather than
this. I don't think it would be appropriate for stable. IMO, it's better to push
this to mainline + stable now.

Thanks.

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Re: Suspicious error for CMA stress test Vlastimil Babka <vbabka@suse.cz> - 2016-03-18 15:20 +0100
  Re: Suspicious error for CMA stress test Lucas Stach <l.stach@pengutronix.de> - 2016-03-18 15:50 +0100
    Re: Suspicious error for CMA stress test Vlastimil Babka <vbabka@suse.cz> - 2016-03-18 22:00 +0100
      Re: Suspicious error for CMA stress test Lucas Stach <l.stach@pengutronix.de> - 2016-03-22 15:50 +0100
  Re: Suspicious error for CMA stress test Hanjun Guo <guohanjun@huawei.com> - 2016-03-19 08:30 +0100
    Re: Suspicious error for CMA stress test Vlastimil Babka <vbabka@suse.cz> - 2016-03-19 23:20 +0100
  Re: Suspicious error for CMA stress test Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-23 05:50 +0100
    Re: Suspicious error for CMA stress test Vlastimil Babka <vbabka@suse.cz> - 2016-03-23 09:30 +0100
      Re: Suspicious error for CMA stress test Joonsoo Kim <js1304@gmail.com> - 2016-03-23 09:40 +0100

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