From: Michal Hocko <mhocko@kernel.org>
To: kernel test robot <xiaolong.ye@intel.com>
Cc: lkp@01.org, LKML <linux-kernel@vger.kernel.org>,
0day robot <fengguang.wu@intel.com>
Subject: Re: [mm, oom_adj] 9954f89181: INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ]
Date: Tue, 31 May 2016 09:55:45 +0200 [thread overview]
Message-ID: <20160531075545.GF26128@dhcp22.suse.cz> (raw)
In-Reply-To: <574c9c97.F/FfSVgxrdCJGrju%xiaolong.ye@intel.com>
On Tue 31-05-16 04:03:35, kernel test robot wrote:
>
>
> FYI, we noticed the following commit:
>
> https://github.com/0day-ci/linux Michal-Hocko/Handle-oom-bypass-more-gracefully/20160530-210927
> commit 9954f891814d3f23e10036d2b6404cc80aaa461b ("mm, oom_adj: make sure processes sharing mm have same view of oom_score_adj")
JFTR this patch the underlying code has changed and sighand lock has
been removed. See the current state in
attempts/process-share-mm-oom-sanitization branch at
git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git
> (md-udevd)/256 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
> (md-udevd)/256 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
> ( (&(&p->alloc_lock)->rlock&(&p->alloc_lock)->rlock){+.+...}){+.+...}, at: , at: [<ffffffff811d1008>] find_lock_task_mm+0x98/0x1b0
> [<ffffffff811d1008>] find_lock_task_mm+0x98/0x1b0
--
Michal Hocko
SUSE Labs
prev parent reply other threads:[~2016-05-31 7:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-30 20:03 kernel test robot
2016-05-31 7:55 ` Michal Hocko [this message]
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