From: Cong Wang <xiyou.wangcong@gmail.com>
To: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
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: Fri, 2 Jun 2017 09:59:39 -0700 [thread overview]
Message-ID: <CAM_iQpUbanE2cDAFjMXkZGFiMo4FVbMZYrCGW3imiK+aB2f0Zg@mail.gmail.com> (raw)
In-Reply-To: <20170602071818.GA29840@dhcp22.suse.cz>
On Fri, Jun 2, 2017 at 12:18 AM, Michal Hocko <mhocko@suse.com> wrote:
> The changelog doesn't really explain what is going on and only
> speculates that the excessive warn_alloc is the cause. The kernel is
> 4.9.23.el7.twitter.x86_64 which I suspect contains a lot of stuff on top
> of 4.9. So I would really _like_ to see whether this is reproducible
> with the upstream kernel. Especially when this is a LTP test.
Just FYI: our kernel 4.9.23.el7.twitter.x86_64 is almost same with
the upstream 4.9.23 release, with just _few_ non-mm patches
backported.
We do have test machines to test non-stable kernels but it
is slightly harder to build an upstream kernel on them, I mean
not as convenient as a kernel rpm...
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next prev parent reply other threads:[~2017-06-02 17:00 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
2017-06-02 16:59 ` Cong Wang [this message]
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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