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From: Tejun Heo <tj@kernel.org>
To: Michal Hocko <mhocko@suse.cz>
Cc: Glauber Costa <glommer@parallels.com>,
	linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	kamezawa.hiroyu@jp.fujitsu.com
Subject: Re: [PATCH 2/2] memcg: debugging facility to access dangling memcgs.
Date: Fri, 23 Nov 2012 06:00:48 -0800	[thread overview]
Message-ID: <20121123140048.GU15971@htj.dyndns.org> (raw)
In-Reply-To: <20121123105154.GK24698@dhcp22.suse.cz>

On Fri, Nov 23, 2012 at 11:51:54AM +0100, Michal Hocko wrote:
> > Fully agreed. I am implementing this because Kame suggested. I promptly
> > agreed because I remembered how many times I asked myself "Who is
> > holding this?" and had to go put some printks all over...
> 
> So please make it configurable, off by default and be explicit about its
> usefulness.

And please make the file name explicitly indicate that it's a debug
thing, so that someone doesn't grow a messy dependency on it for
whatever reason.

Thanks.

-- 
tejun

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      reply	other threads:[~2012-11-23 14:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-22 10:29 [PATCH 0/2] Show information about dangling memcgs Glauber Costa
2012-11-22 10:29 ` [PATCH 1/2] cgroup: helper do determine group name Glauber Costa
2012-11-22 14:32   ` Tejun Heo
2012-11-23  8:55   ` Michal Hocko
2012-11-23 10:36     ` Michal Hocko
2012-11-22 10:29 ` [PATCH 2/2] memcg: debugging facility to access dangling memcgs Glauber Costa
2012-11-22 10:36   ` Glauber Costa
2012-11-22 13:53     ` Glauber Costa
2012-11-22 14:02       ` Joe Perches
2012-11-22 15:02         ` Andy Whitcroft
2012-11-23  9:20   ` Michal Hocko
2012-11-23  9:33     ` Glauber Costa
2012-11-23 10:33       ` Michal Hocko
2012-11-23 10:37         ` Glauber Costa
2012-11-23 10:51           ` Michal Hocko
2012-11-23 14:00             ` Tejun Heo [this message]

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