From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mel@linux.vnet.ibm.com>,
Dave Young <hidave.darkstar@gmail.com>,
linux-mm <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Christoph Lameter <cl@linux.com>,
Dave Chinner <david@fromorbit.com>,
David Rientjes <rientjes@google.com>
Subject: Re: [RFC][PATCH] mm: cut down __GFP_NORETRY page allocation failures
Date: Tue, 3 May 2011 10:25:52 +0900 [thread overview]
Message-ID: <BANLkTikLNrQR6UVoAoUYfk7aAewKWcgAww@mail.gmail.com> (raw)
In-Reply-To: <BANLkTikA-oP9ftAE_TXQdU5yBObgn2KG=g@mail.gmail.com>
2011/5/3 Minchan Kim <minchan.kim@gmail.com>:
> On Mon, May 2, 2011 at 7:14 PM, KOSAKI Motohiro
> <kosaki.motohiro@jp.fujitsu.com> wrote:
>>> On Mon, May 02, 2011 at 01:35:42AM +0900, Minchan Kim wrote:
>>>
>>> > Do you see my old patch? The patch want't incomplet but it's not bad for showing an idea.
>>> ^^^^^^^^^^^^^^^^
>>> typo : wasn't complete
>>
>> I think your idea is eligible. Wu's approach may increase throughput but
>
> Yes. it doesn't change many subtle things and make much fair but the
> Wu's concern is order-0 pages with __GFP_NORETRY. By his experiment,
> my patch doesn't help much his concern.
> The problem I have is I don't have any infrastructure for reproducing
> his experiment. :(
>
>> may decrease latency. So, do you have a plan to finish the work?
>
> I want it but the day would be after finishing inorder-putback series. :)
> Maybe you have a environment(8core system). If you want it, go ahead. :)
Hahaha, no. I lost such ia64 box by physical crash. ;-)
I haven't reproduce his issue yet too.
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next prev parent reply other threads:[~2011-05-03 1:26 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-26 5:49 readahead and oom Dave Young
2011-04-26 5:55 ` Wu Fengguang
2011-04-26 6:05 ` Dave Young
2011-04-26 6:07 ` Dave Young
2011-04-26 6:25 ` Wu Fengguang
2011-04-26 6:29 ` Dave Young
2011-04-26 6:34 ` Wu Fengguang
2011-04-26 6:50 ` KOSAKI Motohiro
2011-04-26 7:41 ` Minchan Kim
2011-04-26 9:20 ` Wu Fengguang
2011-04-26 9:28 ` Minchan Kim
2011-04-26 10:18 ` Pekka Enberg
2011-04-26 19:47 ` Andrew Morton
2011-04-28 4:19 ` Wu Fengguang
2011-04-28 13:36 ` [RFC][PATCH] mm: cut down __GFP_NORETRY page allocation failures Wu Fengguang
2011-04-28 13:38 ` [patch] vmstat: account " Wu Fengguang
2011-04-28 13:50 ` KOSAKI Motohiro
2011-04-29 2:28 ` [RFC][PATCH] mm: cut down __GFP_NORETRY " Wu Fengguang
2011-04-29 2:58 ` Wu Fengguang
2011-04-30 14:17 ` Wu Fengguang
2011-05-01 16:35 ` Minchan Kim
2011-05-01 16:37 ` Minchan Kim
2011-05-02 10:14 ` KOSAKI Motohiro
2011-05-03 0:53 ` Minchan Kim
2011-05-03 1:25 ` KOSAKI Motohiro [this message]
2011-05-02 10:29 ` Wu Fengguang
2011-05-02 11:08 ` Wu Fengguang
2011-05-03 0:49 ` Minchan Kim
2011-05-03 3:51 ` Wu Fengguang
2011-05-03 4:17 ` Minchan Kim
2011-05-02 13:29 ` Wu Fengguang
2011-05-02 13:49 ` Wu Fengguang
2011-05-03 0:27 ` Satoru Moriya
2011-05-03 2:49 ` Wu Fengguang
2011-05-04 1:56 ` Dave Young
2011-05-04 2:32 ` Dave Young
2011-05-04 2:56 ` Wu Fengguang
2011-05-04 4:23 ` Wu Fengguang
2011-05-04 4:00 ` Wu Fengguang
2011-05-04 7:33 ` Dave Young
2011-04-26 6:13 ` readahead and oom Wu Fengguang
2011-04-26 6:23 ` Dave Young
2011-04-26 9:37 ` [PATCH] mm: readahead page allocations are OK to fail Wu Fengguang
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