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From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Steffen Michalke <StMichalke-S0/GAf8tV78@public.gmane.org>
Subject: Re: PROBLEM: Crash cgdeleting empty memory cgroups with memory.kmem.limit_in_bytes set
Date: Thu, 21 Feb 2013 12:34:25 +0400	[thread overview]
Message-ID: <5125DC11.7060106@parallels.com> (raw)
In-Reply-To: <20130220230019.GJ3570-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>

On 02/21/2013 03:00 AM, Tejun Heo wrote:
> (cc'ing cgroup / memcg people and quoting whole body)
> 
> Looks like something is going wrong with memcg cache destruction.
> Glauber, any ideas?  Also, can we please not use names as generic as
> kmem_cache_destroy_work_func for something specific to memcg?  How
> about something like memcg_destroy_cache_workfn?
> 

I will take a look. Thanks for the report for the reportee: I tested
cgroup deletion quite extensively (quite important feature for me) so it
is nice to have an uncaught case.

About naming, I can change, no problem.

WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: Tejun Heo <tj@kernel.org>
Cc: Steffen Michalke <StMichalke@web.de>,
	<linux-kernel@vger.kernel.org>, "Li Zefan" <lizefan@huawei.com>,
	<containers@lists.linux-foundation.org>,
	"Johannes Weiner" <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.cz>,
	Balbir Singh <bsingharora@gmail.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: PROBLEM: Crash cgdeleting empty memory cgroups with memory.kmem.limit_in_bytes set
Date: Thu, 21 Feb 2013 12:34:25 +0400	[thread overview]
Message-ID: <5125DC11.7060106@parallels.com> (raw)
In-Reply-To: <20130220230019.GJ3570@htj.dyndns.org>

On 02/21/2013 03:00 AM, Tejun Heo wrote:
> (cc'ing cgroup / memcg people and quoting whole body)
> 
> Looks like something is going wrong with memcg cache destruction.
> Glauber, any ideas?  Also, can we please not use names as generic as
> kmem_cache_destroy_work_func for something specific to memcg?  How
> about something like memcg_destroy_cache_workfn?
> 

I will take a look. Thanks for the report for the reportee: I tested
cgroup deletion quite extensively (quite important feature for me) so it
is nice to have an uncaught case.

About naming, I can change, no problem.

  parent reply	other threads:[~2013-02-21  8:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-20 15:49 PROBLEM: Crash cgdeleting empty memory cgroups with memory.kmem.limit_in_bytes set Steffen Michalke
     [not found] ` <1361375371.7786.5.camel-xN+x09LS9By1OXqM+dc5E26XGmf1S8Or@public.gmane.org>
2013-02-20 23:00   ` Tejun Heo
2013-02-20 23:00     ` Tejun Heo
     [not found]     ` <20130220230019.GJ3570-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2013-02-21  8:34       ` Glauber Costa [this message]
2013-02-21  8:34         ` Glauber Costa
     [not found]         ` <5125DC11.7060106-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-02-22  3:15           ` Kamezawa Hiroyuki
2013-02-22  3:15             ` Kamezawa Hiroyuki
2013-02-21 11:22       ` Glauber Costa
2013-02-21 11:22         ` Glauber Costa
     [not found]         ` <51260390.8010203-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-02-21 15:44           ` Glauber Costa
2013-02-21 15:44             ` Glauber Costa

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