From: Pavel Emelyanov <xemul@parallels.com>
To: Ying Han <yinghan@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
David Rientjes <rientjes@google.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Pavel Emelyanov <xemul@openvz.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Suleiman Souhlal <suleiman@google.com>,
linux-mm@kvack.org
Subject: Re: memcg: slab control
Date: Fri, 27 Nov 2009 12:48:16 +0300 [thread overview]
Message-ID: <4B0FA060.4050907@parallels.com> (raw)
In-Reply-To: <604427e00911262301tac7f55avedd44263fbabccc2@mail.gmail.com>
Ying Han wrote:
> I kind of like the idea to have a kernel memory controller instead of
> kernel slab controller.
> If we only count kernel slabs, do we need another mechanism to count
> kernel allocations
> directly from get_free_pages() ?
We do. Look at what get_free_pages we mark with GFP_UBC in beancounters
and see, that if we don't count them this creates way to DoS the kernel.
> --Ying
>>
>> Thanks.
>>
>>
>
>
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prev parent reply other threads:[~2009-11-27 9:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-25 23:08 memcg: slab control David Rientjes
2009-11-26 1:14 ` KAMEZAWA Hiroyuki
2009-11-26 8:50 ` Balbir Singh
2009-11-26 8:56 ` KAMEZAWA Hiroyuki
2009-11-26 9:10 ` Pavel Emelyanov
2009-11-26 9:33 ` KAMEZAWA Hiroyuki
2009-11-26 9:56 ` Pavel Emelyanov
2009-11-26 10:24 ` Suleiman Souhlal
2009-11-26 12:31 ` Pavel Emelyanov
2009-11-26 12:52 ` Suleiman Souhlal
2009-12-01 7:40 ` Balbir Singh
2009-11-27 7:15 ` Ying Han
2009-11-27 9:45 ` Pavel Emelyanov
2009-12-01 5:14 ` KOSAKI Motohiro
2009-11-30 22:57 ` David Rientjes
2009-12-01 10:31 ` Pavel Emelyanov
2009-12-01 22:29 ` David Rientjes
2009-12-01 7:36 ` Balbir Singh
2009-12-01 10:40 ` Pavel Emelyanov
2009-12-01 15:14 ` Balbir Singh
2009-12-02 10:14 ` Pavel Emelyanov
2009-12-02 10:19 ` Balbir Singh
2009-12-02 10:51 ` Pavel Emelyanov
2009-11-30 22:55 ` David Rientjes
2009-12-01 10:39 ` Pavel Emelyanov
2009-11-26 10:13 ` Suleiman Souhlal
2009-11-30 9:17 ` Balbir Singh
2009-11-30 22:45 ` David Rientjes
2009-11-26 1:17 ` KAMEZAWA Hiroyuki
2009-11-26 10:01 ` Suleiman Souhlal
2009-11-26 2:35 ` KOSAKI Motohiro
2009-11-27 7:01 ` Ying Han
2009-11-27 9:48 ` Pavel Emelyanov [this message]
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