From: Christoph Hellwig <hch@infradead.org>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Hellwig <hch@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
stable@kernel.org, Rik van Riel <riel@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mel Gorman <mel@csn.ul.ie>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Dave Chinner <david@fromorbit.com>,
Chris Mason <chris.mason@oracle.com>,
Nick Piggin <npiggin@suse.de>,
Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Minchan Kim <minchan.kim@gmail.com>, Andreas Mohr <andi@lisas.de>,
Bill Davidsen <davidsen@tmr.com>,
Ben Gamari <bgamari.foss@gmail.com>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [PATCH] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls
Date: Sat, 31 Jul 2010 13:59:51 -0400 [thread overview]
Message-ID: <20100731175951.GA17519@infradead.org> (raw)
In-Reply-To: <AANLkTi=+muw_2jWq1QKsxp6A_fAtdhdns7MD_bKQo-72@mail.gmail.com>
On Sat, Jul 31, 2010 at 08:55:57PM +0300, Pekka Enberg wrote:
> Do you have CONFIG_SLUB enabled? It does high order allocations by
> default for performance reasons.
Yes. This is a kernel using slub.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Hellwig <hch@infradead.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
stable@kernel.org, Rik van Riel <riel@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mel Gorman <mel@csn.ul.ie>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Dave Chinner <david@fromorbit.com>,
Chris Mason <chris.mason@oracle.com>,
Nick Piggin <npiggin@suse.de>,
Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Minchan Kim <minchan.kim@gmail.com>, Andreas Mohr <andi@lisas.de>,
Bill Davidsen <davidsen@tmr.com>,
Ben Gamari <bgamari.foss@gmail.com>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [PATCH] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls
Date: Sat, 31 Jul 2010 13:59:51 -0400 [thread overview]
Message-ID: <20100731175951.GA17519@infradead.org> (raw)
In-Reply-To: <AANLkTi=+muw_2jWq1QKsxp6A_fAtdhdns7MD_bKQo-72@mail.gmail.com>
On Sat, Jul 31, 2010 at 08:55:57PM +0300, Pekka Enberg wrote:
> Do you have CONFIG_SLUB enabled? It does high order allocations by
> default for performance reasons.
Yes. This is a kernel using slub.
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next prev parent reply other threads:[~2010-07-31 18:03 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-28 7:17 [PATCH] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls Wu Fengguang
2010-07-28 7:17 ` Wu Fengguang
2010-07-28 7:49 ` Minchan Kim
2010-07-28 7:49 ` Minchan Kim
2010-07-28 8:46 ` [PATCH] vmscan: remove wait_on_page_writeback() from pageout() Wu Fengguang
2010-07-28 8:46 ` Wu Fengguang
2010-07-28 9:10 ` Mel Gorman
2010-07-28 9:10 ` Mel Gorman
2010-07-28 9:30 ` Wu Fengguang
2010-07-28 9:30 ` Wu Fengguang
2010-07-28 9:45 ` Mel Gorman
2010-07-28 9:45 ` Mel Gorman
2010-07-28 9:43 ` KOSAKI Motohiro
2010-07-28 9:43 ` KOSAKI Motohiro
2010-07-28 9:50 ` Mel Gorman
2010-07-28 9:50 ` Mel Gorman
2010-07-28 9:59 ` KOSAKI Motohiro
2010-07-28 9:59 ` KOSAKI Motohiro
2010-08-01 5:27 ` Wu Fengguang
2010-08-01 5:27 ` Wu Fengguang
2010-08-01 5:49 ` Wu Fengguang
2010-08-01 8:32 ` KOSAKI Motohiro
2010-08-01 8:32 ` KOSAKI Motohiro
2010-08-01 8:35 ` Wu Fengguang
2010-08-01 8:35 ` Wu Fengguang
2010-08-01 8:40 ` KOSAKI Motohiro
2010-08-01 8:40 ` KOSAKI Motohiro
2010-08-01 5:17 ` Wu Fengguang
2010-08-01 5:17 ` Wu Fengguang
2010-07-28 16:29 ` Minchan Kim
2010-07-28 16:29 ` Minchan Kim
2010-07-28 11:40 ` Why PAGEOUT_IO_SYNC stalls for a long time KOSAKI Motohiro
2010-07-28 11:40 ` KOSAKI Motohiro
2010-07-28 13:10 ` Mel Gorman
2010-07-28 13:10 ` Mel Gorman
2010-07-29 10:34 ` KOSAKI Motohiro
2010-07-29 10:34 ` KOSAKI Motohiro
2010-07-29 14:24 ` Mel Gorman
2010-07-29 14:24 ` Mel Gorman
2010-07-30 4:54 ` KOSAKI Motohiro
2010-07-30 4:54 ` KOSAKI Motohiro
2010-07-30 10:30 ` Mel Gorman
2010-07-30 10:30 ` Mel Gorman
2010-08-01 8:47 ` KOSAKI Motohiro
2010-08-01 8:47 ` KOSAKI Motohiro
2010-08-04 11:10 ` Mel Gorman
2010-08-04 11:10 ` Mel Gorman
2010-08-05 6:20 ` KOSAKI Motohiro
2010-08-05 6:20 ` KOSAKI Motohiro
2010-08-05 8:09 ` Andreas Mohr
2010-08-05 8:09 ` Andreas Mohr
2010-07-28 17:30 ` Andrew Morton
2010-07-28 17:30 ` Andrew Morton
2010-07-29 1:01 ` KOSAKI Motohiro
2010-07-29 1:01 ` KOSAKI Motohiro
2010-07-30 13:17 ` [PATCH] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls Andrea Arcangeli
2010-07-30 13:17 ` Andrea Arcangeli
2010-07-30 13:31 ` Mel Gorman
2010-07-30 13:31 ` Mel Gorman
2010-07-31 16:13 ` Wu Fengguang
2010-07-31 16:13 ` Wu Fengguang
2010-07-31 17:33 ` Christoph Hellwig
2010-07-31 17:33 ` Christoph Hellwig
2010-07-31 17:55 ` Pekka Enberg
2010-07-31 17:55 ` Pekka Enberg
2010-07-31 17:59 ` Christoph Hellwig [this message]
2010-07-31 17:59 ` Christoph Hellwig
2010-07-31 18:09 ` Pekka Enberg
2010-07-31 18:09 ` Pekka Enberg
-- strict thread matches above, loose matches on Subject: below --
2010-09-25 21:38 William Immendorf
2010-09-27 3:04 ` KOSAKI Motohiro
2010-09-27 21:40 ` William Immendorf
2010-09-30 1:02 ` KOSAKI Motohiro
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