linux-kernel - Re: [PATCH RFC] memcg: revert kmem.tcp accounting

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Message-ID: <20140916061630.GE805@mtj.dyndns.org>
Date:	Tue, 16 Sep 2014 15:16:30 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Michal Hocko <mhocko@...e.cz>,
	Vladimir Davydov <vdavydov@...allels.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	cgroups@...r.kernel.org, Li Zefan <lizefan@...wei.com>,
	"David S. Miller" <davem@...emloft.net>,
	Johannes Weiner <hannes@...xchg.org>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Glauber Costa <glommer@...il.com>,
	Pavel Emelianov <xemul@...allels.com>,
	Greg Thelen <gthelen@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH RFC] memcg: revert kmem.tcp accounting

Hello, Andrew.

On Fri, Sep 12, 2014 at 02:43:26PM -0700, Andrew Morton wrote:
> 17 files changed, 51 insertions(+), 761 deletions(-)
> 
> Sob.
> 
> Is there a convenient way of disabling the whole thing and adding a
> please-tell-us printk?  If nobody tells us for a year or two then zap.

Given that we're in the process of implementing the v2 interface, I
don't think it'd be wise to perturb v1 interface at this point.  We're
gonna have to carry around v1 code for quite some time anyway and I
don't think carrying the tcp code would make whole lot of difference
given that the code is likely to stay static from now on.

Thanks.

-- 
tejun
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