linux-kernel - Re: [PATCH v3 1/7] Basic kernel memory functionality for the Memory Controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <4E830D1B.1070503@parallels.com>
Date:	Wed, 28 Sep 2011 09:03:39 -0300
From:	Glauber Costa <glommer@...allels.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	<linux-kernel@...r.kernel.org>, <paul@...lmenage.org>,
	<lizf@...fujitsu.com>, <ebiederm@...ssion.com>,
	<davem@...emloft.net>, <gthelen@...gle.com>,
	<netdev@...r.kernel.org>, <linux-mm@...ck.org>,
	<kirill@...temov.name>
Subject: Re: [PATCH v3 1/7] Basic kernel memory functionality for the Memory
 Controller

On 09/27/2011 09:58 PM, KAMEZAWA Hiroyuki wrote:
> On Mon, 26 Sep 2011 20:18:39 -0300
> Glauber Costa<glommer@...allels.com>  wrote:
>
>> On 09/26/2011 07:34 AM, KAMEZAWA Hiroyuki wrote:
>>> On Sun, 18 Sep 2011 21:56:39 -0300
>>> Glauber Costa<glommer@...allels.com>   wrote:
> "If parent sets use_hierarchy==1, children must have the same kmem_independent value
>>> with parant's one."
>>>
>>> How do you think ? I think a hierarchy must have the same config.
>> BTW, Kame:
>>
>> Look again (I forgot myself when I first replied to you)
>> Only in the root cgroup those files get registered.
>> So shouldn't be a problem, because children won't even
>> be able to see them.
>>
>> Do you agree with this ?
>>
>
> agreed.
>

Actually it is the other way around, following previous suggestions...

The root cgroup does *not* get those files registered, since we don't 
intend to do any kernel memory limitation for it. The others get it.
Given that, I will proceed writing some code to respect parent cgroup's
hierarchy.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/