From: Takenori Nagano <t-nagano@ah.jp.nec.com>
To: MinChan Kim <minchan.kim@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>, linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
akpm@linux-foundation.org
Subject: Re: [RFC][PATCH] prevent incorrect oom under split_lru
Date: Thu, 26 Jun 2008 10:49:47 +0900 [thread overview]
Message-ID: <4862F5BB.9030200@ah.jp.nec.com> (raw)
In-Reply-To: <28c262360806250605le31ba48ma8bb16f996783142@mail.gmail.com>
MinChan Kim wrote:
> Hi peter,
>
> I agree with you. but if application's virtual address space is big,
> we have a hard problem with mlockall since memory pressure might be a
> big.
> Of course, It will be a RT application design problem.
>
>> The much more important case is desktop usage - that is where we run non
>> real-time code, but do expect 'low' latency due to user-interaction.
>>
>> >From hitting swap on my 512M laptop (rather frequent occurance) I know
>> we can do better here,..
>>
>
> Absolutely. It is another example. So, I suggest following patch.
> It's based on idea of Takenori Nagano's memory reclaim more efficiently.
Hi Kim-san,
Thank you for agreeing with me.
I have one question.
My patch don't mind priority. Why do you need "priority == 0"?
Thanks,
Takenori
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next prev parent reply other threads:[~2008-06-26 1:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-24 8:31 KOSAKI Motohiro
2008-06-24 13:28 ` Rik van Riel
2008-06-25 5:59 ` MinChan Kim
2008-06-25 6:08 ` KOSAKI Motohiro
2008-06-25 6:56 ` MinChan Kim
2008-06-25 6:58 ` MinChan Kim
2008-06-25 7:29 ` KOSAKI Motohiro
2008-06-25 7:37 ` MinChan Kim
2008-06-25 12:11 ` Peter Zijlstra
2008-06-25 13:05 ` MinChan Kim
2008-06-26 1:49 ` Takenori Nagano [this message]
2008-06-26 4:37 ` MinChan Kim
2008-06-26 5:24 ` Takenori Nagano
2008-06-26 6:37 ` MinChan Kim
2008-06-26 8:05 ` Takenori Nagano
2008-06-26 0:36 ` KOSAKI Motohiro
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