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From: Cong Wang <xiyou.wangcong@gmail.com>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Michal Hocko <mhocko@suse.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, dave.hansen@intel.com,
	Johannes Weiner <hannes@cmpxchg.org>,
	Mel Gorman <mgorman@suse.de>,
	vbabka@suse.cz
Subject: Re: [PATCH] mm,page_alloc: Serialize warn_alloc() if schedulable.
Date: Thu, 22 Jun 2017 15:53:18 -0700	[thread overview]
Message-ID: <CAM_iQpW-UHTHErQtoWt0gdYkna3aOFxzfLuudFzP=nvDrpLHZQ@mail.gmail.com> (raw)
In-Reply-To: <201706221935.ICC81763.OQFOFLFOJtMHVS@I-love.SAKURA.ne.jp>

On Thu, Jun 22, 2017 at 3:35 AM, Tetsuo Handa
<penguin-kernel@i-love.sakura.ne.jp> wrote:
> Cong Wang wrote:
>> On Sun, Jun 4, 2017 at 1:58 AM, Tetsuo Handa
>> <penguin-kernel@i-love.sakura.ne.jp> wrote:
>> > You can retry with my kmallocwd patch shown bottom. An example output is
>> > at http://I-love.SAKURA.ne.jp/tmp/sample-serial.log .
>> >
>> > Of course, kmallocwd can gather only basic information. You might need to
>> > gather more information by e.g. enabling tracepoints after analyzing basic
>> > information.
>>
>> Sure, since it is a debugging patch we definitely can try it.
>>
>> >
>> > Below is kmallocwd patch backpoated for 4.9.30 kernel from
>> > http://lkml.kernel.org/r/1495331504-12480-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp .
>> > Documentation/malloc-watchdog.txt part is stripped in order to reduce lines.
>>
>> Will do. But can't guarantee that we can reproduce it. ;)
>>
>
> Did you get a chance to try reproducing it?

Not yet, I plan to apply your patch to our next kernel release but it
doesn't happen yet. ;) I will let you know if I have any update.

Thanks.

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  reply	other threads:[~2017-06-22 22:53 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-01 11:43 [PATCH] mm,page_alloc: Serialize warn_alloc() if schedulable Tetsuo Handa
2017-06-01 11:59 ` Michal Hocko
2017-06-01 13:11   ` Tetsuo Handa
2017-06-01 13:28     ` Michal Hocko
2017-06-01 22:10       ` Andrew Morton
2017-06-02  7:18         ` Michal Hocko
2017-06-02 11:13           ` Tetsuo Handa
2017-06-02 12:15             ` Michal Hocko
2017-06-02 17:13               ` Tetsuo Handa
2017-06-02 21:57             ` Cong Wang
2017-06-04  8:58               ` Tetsuo Handa
2017-06-04 15:05                 ` Michal Hocko
2017-06-04 21:43                   ` Tetsuo Handa
2017-06-05  5:37                     ` Michal Hocko
2017-06-05 18:15                       ` Cong Wang
2017-06-06  9:17                         ` Michal Hocko
2017-06-05 18:25                 ` Cong Wang
2017-06-22 10:35                   ` Tetsuo Handa
2017-06-22 22:53                     ` Cong Wang [this message]
2017-06-02 16:59           ` Cong Wang
2017-06-02 19:59           ` Andrew Morton
2017-06-03  2:57             ` Tetsuo Handa
2017-06-03  7:32             ` Michal Hocko
2017-06-03  8:36               ` Tetsuo Handa
2017-06-05  7:10                 ` Sergey Senozhatsky
2017-06-05  9:36                   ` Sergey Senozhatsky
2017-06-05 15:02                     ` Tetsuo Handa
2017-06-03 13:21               ` Tetsuo Handa
2017-07-08  4:59           ` Tetsuo Handa
2017-07-10 13:21             ` Michal Hocko
2017-07-10 13:54               ` Tetsuo Handa
2017-07-10 14:14                 ` Michal Hocko
2017-07-11 13:10                   ` Tetsuo Handa
2017-07-11 13:49                     ` Michal Hocko
2017-07-11 14:58                       ` Petr Mladek
2017-07-11 22:06                       ` Tetsuo Handa
2017-07-12  8:54                         ` Michal Hocko
2017-07-12 12:23                           ` Tetsuo Handa
2017-07-12 12:41                             ` Michal Hocko
2017-07-14 12:30                               ` Tetsuo Handa
2017-07-14 12:48                                 ` Michal Hocko
2017-08-09  6:14                                   ` Tetsuo Handa
2017-08-09 13:01                                     ` Tetsuo Handa

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