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

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Message-ID: <4FE9FC1B.6080301@parallels.com>
Date:	Tue, 26 Jun 2012 22:14:51 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
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 06/26/2012 10:01 PM, Andrew Morton wrote:
> 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!
>

If you are okay with a preparation mechanical patch to convert the whole 
file, I can change mine too.

But you'll be responsible for arguing with whoever stepping up opposing 
this =p

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