From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: minchan.kim@gmail.com
Cc: mgorman@suse.de, James.Bottomley@hansenpartnership.com,
akpm@linux-foundation.org, colin.king@canonical.com,
raghu.prabhu13@gmail.com, jack@suse.cz, chris.mason@oracle.com,
cl@linux.com, penberg@kernel.org, riel@redhat.com,
hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-ext4@vger.kernel.org
Subject: Re: [PATCH 4/4] mm: vmscan: If kswapd has been running too long, allow it to sleep
Date: Thu, 19 May 2011 08:54:33 +0900 [thread overview]
Message-ID: <4DD45C39.5030803@jp.fujitsu.com> (raw)
In-Reply-To: <BANLkTin6HJSrxcJYB3Y6XYgs8xuDWaQ15Q@mail.gmail.com>
>> I've already submitted a pair of patches for option 1. I don't think
>> option 2 gains us anything. I think it's more likely we should worry
>> about all_unreclaimable being set when shrink_slab is returning 0 and we
>> are encountering so many dirty pages that pages_scanned is high enough.
>
> Okay.
>
> Colin reported he had no problem with patch 1 in this series and
> mine(ie, just cond_resched right after balance_pgdat call without no
> patch of shrink_slab).
>
> If Colin's test is successful, I don't insist on mine.
> (I don't want to drag on for days :( )
> If KOSAKI agree, let's ask the test to Colin and confirm our last test.
>
> KOSAKI. Could you post a your opinion?
Yeah.
I also don't have any motivation to ignore Colin's test result.
WARNING: multiple messages have this Message-ID (diff)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: minchan.kim@gmail.com
Cc: mgorman@suse.de, James.Bottomley@hansenpartnership.com,
akpm@linux-foundation.org, colin.king@canonical.com,
raghu.prabhu13@gmail.com, jack@suse.cz, chris.mason@oracle.com,
cl@linux.com, penberg@kernel.org, riel@redhat.com,
hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-ext4@vger.kernel.org
Subject: Re: [PATCH 4/4] mm: vmscan: If kswapd has been running too long, allow it to sleep
Date: Thu, 19 May 2011 08:54:33 +0900 [thread overview]
Message-ID: <4DD45C39.5030803@jp.fujitsu.com> (raw)
In-Reply-To: <BANLkTin6HJSrxcJYB3Y6XYgs8xuDWaQ15Q@mail.gmail.com>
>> I've already submitted a pair of patches for option 1. I don't think
>> option 2 gains us anything. I think it's more likely we should worry
>> about all_unreclaimable being set when shrink_slab is returning 0 and we
>> are encountering so many dirty pages that pages_scanned is high enough.
>
> Okay.
>
> Colin reported he had no problem with patch 1 in this series and
> mine(ie, just cond_resched right after balance_pgdat call without no
> patch of shrink_slab).
>
> If Colin's test is successful, I don't insist on mine.
> (I don't want to drag on for days :( )
> If KOSAKI agree, let's ask the test to Colin and confirm our last test.
>
> KOSAKI. Could you post a your opinion?
Yeah.
I also don't have any motivation to ignore Colin's test result.
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next prev parent reply other threads:[~2011-05-18 23:55 UTC|newest]
Thread overview: 119+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-13 14:03 [PATCH 0/4] Reduce impact to overall system of SLUB using high-order allocations V2 Mel Gorman
2011-05-13 14:03 ` Mel Gorman
2011-05-13 14:03 ` [PATCH 1/4] mm: vmscan: Correct use of pgdat_balanced in sleeping_prematurely Mel Gorman
2011-05-13 14:03 ` Mel Gorman
2011-05-13 14:28 ` Johannes Weiner
2011-05-13 14:28 ` Johannes Weiner
2011-05-14 16:30 ` Minchan Kim
2011-05-14 16:30 ` Minchan Kim
2011-05-16 14:30 ` Rik van Riel
2011-05-16 14:30 ` Rik van Riel
2011-05-13 14:03 ` [PATCH 2/4] mm: slub: Do not wake kswapd for SLUBs speculative high-order allocations Mel Gorman
2011-05-13 14:03 ` Mel Gorman
2011-05-16 21:10 ` David Rientjes
2011-05-16 21:10 ` David Rientjes
2011-05-18 6:09 ` Pekka Enberg
2011-05-18 6:09 ` Pekka Enberg
2011-05-18 17:21 ` Christoph Lameter
2011-05-18 17:21 ` Christoph Lameter
2011-05-13 14:03 ` [PATCH 3/4] mm: slub: Do not take expensive steps " Mel Gorman
2011-05-13 14:03 ` Mel Gorman
2011-05-16 21:16 ` David Rientjes
2011-05-16 21:16 ` David Rientjes
2011-05-17 8:42 ` Mel Gorman
2011-05-17 8:42 ` Mel Gorman
2011-05-17 13:51 ` Christoph Lameter
2011-05-17 13:51 ` Christoph Lameter
2011-05-17 16:22 ` Mel Gorman
2011-05-17 16:22 ` Mel Gorman
2011-05-17 17:52 ` Christoph Lameter
2011-05-17 17:52 ` Christoph Lameter
2011-05-17 19:35 ` David Rientjes
2011-05-17 19:35 ` David Rientjes
2011-05-17 19:31 ` David Rientjes
2011-05-17 19:31 ` David Rientjes
2011-05-13 14:03 ` [PATCH 4/4] mm: vmscan: If kswapd has been running too long, allow it to sleep Mel Gorman
2011-05-13 14:03 ` Mel Gorman
2011-05-15 10:27 ` KOSAKI Motohiro
2011-05-15 10:27 ` KOSAKI Motohiro
2011-05-16 4:21 ` James Bottomley
2011-05-16 4:21 ` James Bottomley
2011-05-16 5:04 ` Minchan Kim
2011-05-16 5:04 ` Minchan Kim
2011-05-16 8:45 ` Mel Gorman
2011-05-16 8:45 ` Mel Gorman
2011-05-16 8:45 ` Mel Gorman
2011-05-16 8:58 ` Minchan Kim
2011-05-16 8:58 ` Minchan Kim
2011-05-16 8:58 ` Minchan Kim
2011-05-16 10:27 ` Mel Gorman
2011-05-16 10:27 ` Mel Gorman
2011-05-16 10:27 ` Mel Gorman
2011-05-16 23:50 ` Minchan Kim
2011-05-16 23:50 ` Minchan Kim
2011-05-17 0:48 ` Minchan Kim
2011-05-17 0:48 ` Minchan Kim
2011-05-17 0:48 ` Minchan Kim
2011-05-17 10:38 ` Mel Gorman
2011-05-17 10:38 ` Mel Gorman
2011-05-17 10:38 ` Mel Gorman
2011-05-17 13:50 ` Colin Ian King
2011-05-17 13:50 ` Colin Ian King
2011-05-17 16:15 ` [PATCH] mm: vmscan: Correctly check if reclaimer should schedule during shrink_slab Mel Gorman
2011-05-17 16:15 ` Mel Gorman
2011-05-18 0:45 ` KOSAKI Motohiro
2011-05-18 0:45 ` KOSAKI Motohiro
2011-05-19 0:03 ` Minchan Kim
2011-05-19 0:03 ` Minchan Kim
2011-05-19 0:03 ` Minchan Kim
2011-05-19 0:09 ` Minchan Kim
2011-05-19 0:09 ` Minchan Kim
2011-05-19 0:09 ` Minchan Kim
2011-05-19 11:36 ` Colin Ian King
2011-05-19 11:36 ` Colin Ian King
2011-05-20 0:06 ` Minchan Kim
2011-05-20 0:06 ` Minchan Kim
2011-05-20 0:06 ` Minchan Kim
2011-05-18 4:19 ` [PATCH 4/4] mm: vmscan: If kswapd has been running too long, allow it to sleep Minchan Kim
2011-05-18 4:19 ` Minchan Kim
2011-05-18 7:39 ` Colin Ian King
2011-05-18 7:39 ` Colin Ian King
2011-05-18 4:09 ` James Bottomley
2011-05-18 4:09 ` James Bottomley
2011-05-18 1:05 ` KOSAKI Motohiro
2011-05-18 1:05 ` KOSAKI Motohiro
2011-05-18 5:44 ` Minchan Kim
2011-05-18 5:44 ` Minchan Kim
2011-05-18 5:44 ` Minchan Kim
2011-05-18 6:05 ` KOSAKI Motohiro
2011-05-18 6:05 ` KOSAKI Motohiro
2011-05-18 9:58 ` Mel Gorman
2011-05-18 9:58 ` Mel Gorman
2011-05-18 9:58 ` Mel Gorman
2011-05-18 22:55 ` Minchan Kim
2011-05-18 22:55 ` Minchan Kim
2011-05-18 23:54 ` KOSAKI Motohiro [this message]
2011-05-18 23:54 ` KOSAKI Motohiro
2011-05-18 0:26 ` KOSAKI Motohiro
2011-05-18 0:26 ` KOSAKI Motohiro
2011-05-18 9:57 ` Mel Gorman
2011-05-18 9:57 ` Mel Gorman
2011-05-16 8:45 ` Mel Gorman
2011-05-16 8:45 ` Mel Gorman
2011-05-16 14:30 ` Rik van Riel
2011-05-16 14:30 ` Rik van Riel
2011-05-13 15:19 ` [PATCH 0/4] Reduce impact to overall system of SLUB using high-order allocations V2 James Bottomley
2011-05-13 15:19 ` James Bottomley
2011-05-13 15:19 ` James Bottomley
2011-05-13 15:52 ` Mel Gorman
2011-05-13 15:52 ` Mel Gorman
2011-05-13 15:21 ` Christoph Lameter
2011-05-13 15:21 ` Christoph Lameter
2011-05-13 15:43 ` Mel Gorman
2011-05-13 15:43 ` Mel Gorman
2011-05-14 8:34 ` Colin Ian King
2011-05-14 8:34 ` Colin Ian King
2011-05-16 8:37 ` Mel Gorman
2011-05-16 8:37 ` Mel Gorman
2011-05-16 11:24 ` Colin Ian King
2011-05-16 11:24 ` Colin Ian King
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