From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>,
Jeff Davis <linux@j-davis.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrea Arcangeli <andrea@qumranet.com>
Subject: Re: [PATCH] badness() dramatically overcounts memory
Date: Wed, 06 Feb 2008 09:30:44 +0530 [thread overview]
Message-ID: <47A930EC.9070009@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080206105041.2717.KOSAKI.MOTOHIRO@jp.fujitsu.com>
KOSAKI Motohiro wrote:
> Hi
>
>>>> The interesting thing is the use of total_vm and not the RSS which is used as
>>>> the basis by the OOM killer. I need to read/understand the code a bit more.
>>> RSS makes more sense to me as well.
>> Andrea Arcangeli has patches pending which change this to the RSS.
>> Specifically:
>>
>> http://marc.info/?l=linux-mm&m=119977937126925
>
> I agreed with you that RSS is better :)
>
>
>
> but..
> on many node numa, per zone rss is more better..
Do we have a per zone RSS per task? I don't remember seeing it.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
WARNING: multiple messages have this Message-ID (diff)
From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>,
Jeff Davis <linux@j-davis.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrea Arcangeli <andrea@qumranet.com>
Subject: Re: [PATCH] badness() dramatically overcounts memory
Date: Wed, 06 Feb 2008 09:30:44 +0530 [thread overview]
Message-ID: <47A930EC.9070009@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080206105041.2717.KOSAKI.MOTOHIRO@jp.fujitsu.com>
KOSAKI Motohiro wrote:
> Hi
>
>>>> The interesting thing is the use of total_vm and not the RSS which is used as
>>>> the basis by the OOM killer. I need to read/understand the code a bit more.
>>> RSS makes more sense to me as well.
>> Andrea Arcangeli has patches pending which change this to the RSS.
>> Specifically:
>>
>> http://marc.info/?l=linux-mm&m=119977937126925
>
> I agreed with you that RSS is better :)
>
>
>
> but..
> on many node numa, per zone rss is more better..
Do we have a per zone RSS per task? I don't remember seeing it.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
--
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next prev parent reply other threads:[~2008-02-06 4:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-05 3:34 [PATCH] badness() dramatically overcounts memory Jeff Davis
2008-02-05 4:13 ` Balbir Singh
2008-02-05 4:13 ` Balbir Singh
2008-02-05 23:02 ` Jeff Davis
2008-02-05 23:02 ` Jeff Davis
2008-02-05 23:09 ` David Rientjes
2008-02-05 23:09 ` David Rientjes
2008-02-06 1:54 ` KOSAKI Motohiro
2008-02-06 1:54 ` KOSAKI Motohiro
2008-02-06 2:05 ` David Rientjes
2008-02-06 2:05 ` David Rientjes
2008-02-06 4:00 ` Balbir Singh [this message]
2008-02-06 4:00 ` Balbir Singh
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