netdev - Re: [PATCH v5 2/2] decrement static keys on real destroy time

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Message-ID: <4FB3518B.3090205@parallels.com>
Date:	Wed, 16 May 2012 11:04:43 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	<cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
	<devel@...nvz.org>, <netdev@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>
Subject: Re: [PATCH v5 2/2] decrement static keys on real destroy time

On 05/16/2012 10:03 AM, Glauber Costa wrote:
>> BTW, what is the relationship between 1/2 and 2/2  ?
> Can't do jump label patching inside an interrupt handler. They need to
> happen when we free the structure, and I was about to add a worker
> myself when I found out we already have one: just we don't always use it.
> 
> Before we merge it, let me just make sure the issue with config Li
> pointed out don't exist. I did test it, but since I've reposted this
> many times with multiple tiny changes - the type that will usually get
> us killed, I'd be more comfortable with an extra round of testing if
> someone spotted a possibility.
> 
> Who is merging this fix, btw ?
> I find it to be entirely memcg related, even though it touches a file in
> net (but a file with only memcg code in it)
> 

For the record, I compiled test it many times, and the problem that Li
wondered about seems not to exist.

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