From: Andi Kleen <andi@firstfloor.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Andi Kleen <andi@firstfloor.org>, Mel Gorman <mel@csn.ul.ie>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Chris Mason <chris.mason@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list()
Date: Fri, 16 Apr 2010 09:13:33 +0200 [thread overview]
Message-ID: <20100416071333.GX18855@one.firstfloor.org> (raw)
In-Reply-To: <20100415234013.GX2493@dastard>
On Fri, Apr 16, 2010 at 09:40:13AM +1000, Dave Chinner wrote:
> On Thu, Apr 15, 2010 at 06:54:16PM +0200, Andi Kleen wrote:
> > > It's a buying-time venture, I'll agree but as both approaches are only
> > > about reducing stack stack they wouldn't be long-term solutions by your
> > > criteria. What do you suggest?
> >
> > (from easy to more complicated):
> >
> > - Disable direct reclaim with 4K stacks
>
> Just to re-iterate: we're blowing the stack with direct reclaim on
> x86_64 w/ 8k stacks. The old i386/4k stack problem is a red
> herring.
Yes that's known, but on 4K it will definitely not work at all.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi@firstfloor.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Andi Kleen <andi@firstfloor.org>, Mel Gorman <mel@csn.ul.ie>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Chris Mason <chris.mason@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list()
Date: Fri, 16 Apr 2010 09:13:33 +0200 [thread overview]
Message-ID: <20100416071333.GX18855@one.firstfloor.org> (raw)
In-Reply-To: <20100415234013.GX2493@dastard>
On Fri, Apr 16, 2010 at 09:40:13AM +1000, Dave Chinner wrote:
> On Thu, Apr 15, 2010 at 06:54:16PM +0200, Andi Kleen wrote:
> > > It's a buying-time venture, I'll agree but as both approaches are only
> > > about reducing stack stack they wouldn't be long-term solutions by your
> > > criteria. What do you suggest?
> >
> > (from easy to more complicated):
> >
> > - Disable direct reclaim with 4K stacks
>
> Just to re-iterate: we're blowing the stack with direct reclaim on
> x86_64 w/ 8k stacks. The old i386/4k stack problem is a red
> herring.
Yes that's known, but on 4K it will definitely not work at all.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2010-04-16 7:13 UTC|newest]
Thread overview: 248+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-13 0:17 [PATCH] mm: disallow direct reclaim page writeback Dave Chinner
2010-04-13 0:17 ` Dave Chinner
2010-04-13 8:31 ` KOSAKI Motohiro
2010-04-13 8:31 ` KOSAKI Motohiro
2010-04-13 10:29 ` Dave Chinner
2010-04-13 10:29 ` Dave Chinner
2010-04-13 11:39 ` KOSAKI Motohiro
2010-04-13 11:39 ` KOSAKI Motohiro
2010-04-13 14:36 ` Dave Chinner
2010-04-13 14:36 ` Dave Chinner
2010-04-14 3:12 ` Dave Chinner
2010-04-14 3:12 ` Dave Chinner
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-15 1:56 ` Dave Chinner
2010-04-15 1:56 ` Dave Chinner
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 7:36 ` Dave Chinner
2010-04-14 7:36 ` Dave Chinner
2010-04-13 9:58 ` Mel Gorman
2010-04-13 9:58 ` Mel Gorman
2010-04-13 11:19 ` Dave Chinner
2010-04-13 11:19 ` Dave Chinner
2010-04-13 19:34 ` Mel Gorman
2010-04-13 19:34 ` Mel Gorman
2010-04-13 20:20 ` Chris Mason
2010-04-13 20:20 ` Chris Mason
2010-04-14 1:40 ` Dave Chinner
2010-04-14 1:40 ` Dave Chinner
2010-04-14 4:59 ` KAMEZAWA Hiroyuki
2010-04-14 4:59 ` KAMEZAWA Hiroyuki
2010-04-14 5:41 ` Dave Chinner
2010-04-14 5:41 ` Dave Chinner
2010-04-14 5:54 ` KOSAKI Motohiro
2010-04-14 5:54 ` KOSAKI Motohiro
2010-04-14 6:13 ` Minchan Kim
2010-04-14 7:19 ` Minchan Kim
2010-04-14 7:19 ` Minchan Kim
2010-04-14 9:42 ` KAMEZAWA Hiroyuki
2010-04-14 9:42 ` KAMEZAWA Hiroyuki
2010-04-14 9:42 ` KAMEZAWA Hiroyuki
2010-04-14 10:01 ` Minchan Kim
2010-04-14 10:01 ` Minchan Kim
2010-04-14 10:07 ` Mel Gorman
2010-04-14 10:07 ` Mel Gorman
2010-04-14 10:07 ` Mel Gorman
2010-04-14 10:16 ` Minchan Kim
2010-04-14 10:16 ` Minchan Kim
2010-04-14 7:06 ` Dave Chinner
2010-04-14 7:06 ` Dave Chinner
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 7:28 ` Dave Chinner
2010-04-14 7:28 ` Dave Chinner
2010-04-14 8:51 ` Mel Gorman
2010-04-14 8:51 ` Mel Gorman
2010-04-15 1:34 ` Dave Chinner
2010-04-15 1:34 ` Dave Chinner
2010-04-15 1:34 ` Dave Chinner
2010-04-15 4:09 ` KOSAKI Motohiro
2010-04-15 4:09 ` KOSAKI Motohiro
2010-04-15 4:11 ` [PATCH 1/4] vmscan: delegate pageout io to flusher thread if current is kswapd KOSAKI Motohiro
2010-04-15 4:11 ` KOSAKI Motohiro
2010-04-15 4:11 ` KOSAKI Motohiro
2010-04-15 8:05 ` Suleiman Souhlal
2010-04-15 8:05 ` Suleiman Souhlal
2010-04-15 8:17 ` KOSAKI Motohiro
2010-04-15 8:17 ` KOSAKI Motohiro
2010-04-15 8:26 ` KOSAKI Motohiro
2010-04-15 8:26 ` KOSAKI Motohiro
2010-04-15 10:30 ` Johannes Weiner
2010-04-15 10:30 ` Johannes Weiner
2010-04-15 17:24 ` Suleiman Souhlal
2010-04-15 17:24 ` Suleiman Souhlal
2010-04-20 2:56 ` Ying Han
2010-04-20 2:56 ` Ying Han
2010-04-15 9:32 ` Dave Chinner
2010-04-15 9:32 ` Dave Chinner
2010-04-15 9:41 ` KOSAKI Motohiro
2010-04-15 9:41 ` KOSAKI Motohiro
2010-04-15 17:27 ` Suleiman Souhlal
2010-04-15 17:27 ` Suleiman Souhlal
2010-04-15 23:33 ` Dave Chinner
2010-04-15 23:33 ` Dave Chinner
2010-04-15 23:41 ` Suleiman Souhlal
2010-04-15 23:41 ` Suleiman Souhlal
2010-04-16 9:50 ` Alan Cox
2010-04-16 9:50 ` Alan Cox
2010-04-17 3:06 ` Dave Chinner
2010-04-17 3:06 ` Dave Chinner
2010-04-15 8:18 ` KOSAKI Motohiro
2010-04-15 8:18 ` KOSAKI Motohiro
2010-04-15 8:18 ` KOSAKI Motohiro
2010-04-15 10:31 ` Mel Gorman
2010-04-15 10:31 ` Mel Gorman
2010-04-15 11:26 ` KOSAKI Motohiro
2010-04-15 11:26 ` KOSAKI Motohiro
2010-04-15 4:13 ` [PATCH 2/4] vmscan: kill prev_priority completely KOSAKI Motohiro
2010-04-15 4:13 ` KOSAKI Motohiro
2010-04-15 4:13 ` KOSAKI Motohiro
2010-04-15 4:14 ` [PATCH 3/4] vmscan: move priority variable into scan_control KOSAKI Motohiro
2010-04-15 4:14 ` KOSAKI Motohiro
2010-04-15 4:14 ` KOSAKI Motohiro
2010-04-15 4:15 ` [PATCH 4/4] vmscan: delegate page cleaning io to flusher thread if VM pressure is low KOSAKI Motohiro
2010-04-15 4:15 ` KOSAKI Motohiro
2010-04-15 4:15 ` KOSAKI Motohiro
2010-04-15 4:35 ` [PATCH] mm: disallow direct reclaim page writeback KOSAKI Motohiro
2010-04-15 4:35 ` KOSAKI Motohiro
2010-04-15 6:32 ` Dave Chinner
2010-04-15 6:32 ` Dave Chinner
2010-04-15 6:44 ` KOSAKI Motohiro
2010-04-15 6:44 ` KOSAKI Motohiro
2010-04-15 6:58 ` Dave Chinner
2010-04-15 6:58 ` Dave Chinner
2010-04-15 6:20 ` Dave Chinner
2010-04-15 6:20 ` Dave Chinner
2010-04-15 6:35 ` KOSAKI Motohiro
2010-04-15 6:35 ` KOSAKI Motohiro
2010-04-15 8:54 ` Dave Chinner
2010-04-15 8:54 ` Dave Chinner
2010-04-15 10:21 ` KOSAKI Motohiro
2010-04-15 10:21 ` KOSAKI Motohiro
2010-04-15 10:23 ` [PATCH 1/4] vmscan: simplify shrink_inactive_list() KOSAKI Motohiro
2010-04-15 10:23 ` KOSAKI Motohiro
2010-04-15 13:15 ` Mel Gorman
2010-04-15 13:15 ` Mel Gorman
2010-04-15 15:01 ` Andi Kleen
2010-04-15 15:01 ` Andi Kleen
2010-04-15 15:01 ` Andi Kleen
2010-04-15 15:44 ` Mel Gorman
2010-04-15 15:44 ` Mel Gorman
2010-04-15 16:54 ` Andi Kleen
2010-04-15 16:54 ` Andi Kleen
2010-04-15 23:40 ` Dave Chinner
2010-04-15 23:40 ` Dave Chinner
2010-04-16 7:13 ` Andi Kleen [this message]
2010-04-16 7:13 ` Andi Kleen
2010-04-16 14:57 ` Mel Gorman
2010-04-16 14:57 ` Mel Gorman
2010-04-17 2:37 ` Dave Chinner
2010-04-17 2:37 ` Dave Chinner
2010-04-16 14:55 ` Mel Gorman
2010-04-16 14:55 ` Mel Gorman
2010-04-15 18:22 ` Valdis.Kletnieks
2010-04-16 9:39 ` Mel Gorman
2010-04-16 9:39 ` Mel Gorman
2010-04-15 10:24 ` [PATCH 2/4] [cleanup] mm: introduce free_pages_prepare KOSAKI Motohiro
2010-04-15 10:24 ` KOSAKI Motohiro
2010-04-15 10:24 ` KOSAKI Motohiro
2010-04-15 13:33 ` Mel Gorman
2010-04-15 13:33 ` Mel Gorman
2010-04-15 10:24 ` [PATCH 3/4] mm: introduce free_pages_bulk KOSAKI Motohiro
2010-04-15 10:24 ` KOSAKI Motohiro
2010-04-15 10:24 ` KOSAKI Motohiro
2010-04-15 13:46 ` Mel Gorman
2010-04-15 13:46 ` Mel Gorman
2010-04-15 10:26 ` [PATCH 4/4] vmscan: replace the pagevec in shrink_inactive_list() with list KOSAKI Motohiro
2010-04-15 10:26 ` KOSAKI Motohiro
2010-04-15 10:28 ` [PATCH] mm: disallow direct reclaim page writeback Mel Gorman
2010-04-15 10:28 ` Mel Gorman
2010-04-15 13:42 ` Chris Mason
2010-04-15 13:42 ` Chris Mason
2010-04-15 17:50 ` tytso
2010-04-15 17:50 ` tytso
2010-04-15 17:50 ` tytso
2010-04-16 15:05 ` Mel Gorman
2010-04-16 15:05 ` Mel Gorman
2010-04-19 15:15 ` Mel Gorman
2010-04-19 15:15 ` Mel Gorman
2010-04-19 15:15 ` Mel Gorman
2010-04-19 17:38 ` Chris Mason
2010-04-16 15:05 ` Mel Gorman
2010-04-16 4:14 ` Dave Chinner
2010-04-16 4:14 ` Dave Chinner
2010-04-16 15:14 ` Mel Gorman
2010-04-16 15:14 ` Mel Gorman
2010-04-18 0:32 ` Andrew Morton
2010-04-18 0:32 ` Andrew Morton
2010-04-18 19:05 ` Christoph Hellwig
2010-04-18 19:05 ` Christoph Hellwig
2010-04-18 16:31 ` Andrew Morton
2010-04-18 16:31 ` Andrew Morton
2010-04-18 19:35 ` Christoph Hellwig
2010-04-18 19:35 ` Christoph Hellwig
2010-04-18 19:11 ` Sorin Faibish
2010-04-18 19:11 ` Sorin Faibish
2010-04-18 19:11 ` Sorin Faibish
2010-04-18 19:10 ` Sorin Faibish
2010-04-18 19:10 ` Sorin Faibish
2010-04-18 19:10 ` Sorin Faibish
2010-04-18 21:30 ` James Bottomley
2010-04-18 21:30 ` James Bottomley
2010-04-18 23:34 ` Sorin Faibish
2010-04-18 23:34 ` Sorin Faibish
2010-04-18 23:34 ` Sorin Faibish
2010-04-19 3:08 ` tytso
2010-04-19 3:08 ` tytso
2010-04-19 0:35 ` Dave Chinner
2010-04-19 0:35 ` Dave Chinner
2010-04-19 0:49 ` Arjan van de Ven
2010-04-19 0:49 ` Arjan van de Ven
2010-04-19 1:08 ` Dave Chinner
2010-04-19 1:08 ` Dave Chinner
2010-04-19 4:32 ` Arjan van de Ven
2010-04-19 4:32 ` Arjan van de Ven
2010-04-19 15:20 ` Mel Gorman
2010-04-19 15:20 ` Mel Gorman
2010-04-23 1:06 ` Dave Chinner
2010-04-23 1:06 ` Dave Chinner
2010-04-23 10:50 ` Mel Gorman
2010-04-23 10:50 ` Mel Gorman
2010-04-15 14:57 ` Andi Kleen
2010-04-15 14:57 ` Andi Kleen
2010-04-15 2:37 ` Johannes Weiner
2010-04-15 2:37 ` Johannes Weiner
2010-04-15 2:43 ` KOSAKI Motohiro
2010-04-15 2:43 ` KOSAKI Motohiro
2010-04-16 23:56 ` Johannes Weiner
2010-04-16 23:56 ` Johannes Weiner
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 6:52 ` KOSAKI Motohiro
2010-04-14 10:06 ` Andi Kleen
2010-04-14 10:06 ` Andi Kleen
2010-04-14 10:06 ` Andi Kleen
2010-04-14 11:20 ` Chris Mason
2010-04-14 11:20 ` Chris Mason
2010-04-14 12:15 ` Andi Kleen
2010-04-14 12:15 ` Andi Kleen
2010-04-14 12:15 ` Andi Kleen
2010-04-14 12:32 ` Alan Cox
2010-04-14 12:32 ` Alan Cox
2010-04-14 12:34 ` Andi Kleen
2010-04-14 12:34 ` Andi Kleen
2010-04-14 13:23 ` Mel Gorman
2010-04-14 13:23 ` Mel Gorman
2010-04-14 14:07 ` Chris Mason
2010-04-14 14:07 ` Chris Mason
2010-04-14 0:24 ` Minchan Kim
2010-04-14 0:24 ` Minchan Kim
2010-04-14 4:44 ` Dave Chinner
2010-04-14 4:44 ` Dave Chinner
2010-04-14 7:54 ` Minchan Kim
2010-04-14 7:54 ` Minchan Kim
2010-04-16 1:13 ` KAMEZAWA Hiroyuki
2010-04-16 1:13 ` KAMEZAWA Hiroyuki
2010-04-16 4:18 ` KAMEZAWA Hiroyuki
2010-04-16 4:18 ` KAMEZAWA Hiroyuki
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100416071333.GX18855@one.firstfloor.org \
--to=andi@firstfloor.org \
--cc=chris.mason@oracle.com \
--cc=david@fromorbit.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mel@csn.ul.ie \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.