linux-kernel - Re: [PATCH 06/11] memcg: kmem controller infrastructure

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Message-Id: <20120626110142.b7cf6d7c.akpm@linux-foundation.org>
Date:	Tue, 26 Jun 2012 11:01:42 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Glauber Costa <glommer@...allels.com>
Cc:	<cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Pekka Enberg <penberg@...nel.org>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Christoph Lameter <cl@...ux.com>, <devel@...nvz.org>,
	<kamezawa.hiroyu@...fujitsu.com>, Tejun Heo <tj@...nel.org>,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [PATCH 06/11] memcg: kmem controller infrastructure

On Tue, 26 Jun 2012 19:01:15 +0400 Glauber Costa <glommer@...allels.com> wrote:

> On 06/26/2012 03:17 AM, Andrew Morton wrote:
> >> +	memcg_uncharge_kmem(memcg, size);
> >> >+	mem_cgroup_put(memcg);
> >> >+}
> >> >+EXPORT_SYMBOL(__mem_cgroup_free_kmem_page);
> >> >  #endif /* CONFIG_CGROUP_MEM_RES_CTLR_KMEM */
> >> >
> >> >  #if defined(CONFIG_INET) && defined(CONFIG_CGROUP_MEM_RES_CTLR_KMEM)
> >> >@@ -5645,3 +5751,69 @@ static int __init enable_swap_account(char *s)
> >> >  __setup("swapaccount=", enable_swap_account);
> >> >
> >> >  #endif
> >> >+
> >> >+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
> > gargh.  CONFIG_MEMCG_KMEM, please!
> >
> 
> Here too. I like it as much as you do.
> 
> But that is consistent with the rest of the file, and I'd rather have
> it this way.

There's not much point in being consistent with something which is so
unpleasant.  I'm on a little campaign to rename
CONFIG_CGROUP_MEM_RES_CTLR to CONFIG_MEMCG, only nobody has taken my
bait yet.  Be first!

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