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Re: [PATCH] mm: disallow direct reclaim page writeback

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From: Sorin Faibish
Subject: Re: [PATCH] mm: disallow direct reclaim page writeback
Date: Sunday, April 18, 2010 - 4:34 pm

On Sun, 18 Apr 2010 17:30:36 -0400, James Bottomley  
<James.Bottomley@suse.de> wrote:

Let's work together to get this done. This is a very good idea. I will try
to bring some facts about the current state by instrumenting the kernel
to sample with higher time granularity the dirty pages dynamics. This will
allow us expose better the problem or lack of. :)

/Sorin





-- 
Best Regards
Sorin Faibish
Corporate Distinguished Engineer
Network Storage Group

        EMC²
where information lives

Phone: 508-435-1000 x 48545
Cellphone: 617-510-0422
Email : sfaibish@emc.com
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Messages in current thread:
[PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Mon Apr 12, 5:17 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 1:31 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Tue Apr 13, 2:58 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 3:29 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 4:19 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 4:39 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 7:36 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Tue Apr 13, 12:34 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Chris Mason, (Tue Apr 13, 1:20 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Minchan Kim, (Tue Apr 13, 5:24 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 6:40 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 8:12 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 9:44 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KAMEZAWA Hiroyuki, (Tue Apr 13, 9:59 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Tue Apr 13, 10:41 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 10:54 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Minchan Kim, (Tue Apr 13, 11:13 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 11:52 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 11:52 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 11:52 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Tue Apr 13, 11:52 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 12:06 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Minchan Kim, (Wed Apr 14, 12:19 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 12:28 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 12:36 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Minchan Kim, (Wed Apr 14, 12:54 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Wed Apr 14, 1:51 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, KAMEZAWA Hiroyuki, (Wed Apr 14, 2:42 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Minchan Kim, (Wed Apr 14, 3:01 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Andi Kleen, (Wed Apr 14, 3:06 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Wed Apr 14, 3:07 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Minchan Kim, (Wed Apr 14, 3:16 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Chris Mason, (Wed Apr 14, 4:20 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Alan Cox, (Wed Apr 14, 5:32 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Andi Kleen, (Wed Apr 14, 5:34 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Wed Apr 14, 6:23 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Chris Mason, (Wed Apr 14, 7:07 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 6:34 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 6:56 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Johannes Weiner, (Wed Apr 14, 7:37 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Wed Apr 14, 7:43 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Wed Apr 14, 9:09 pm)
[PATCH 1/4] vmscan: delegate pageout io to flusher thread ..., KOSAKI Motohiro, (Wed Apr 14, 9:11 pm)
[PATCH 2/4] vmscan: kill prev_priority completely, KOSAKI Motohiro, (Wed Apr 14, 9:13 pm)
[PATCH 3/4] vmscan: move priority variable into scan_control, KOSAKI Motohiro, (Wed Apr 14, 9:14 pm)
[PATCH 4/4] vmscan: delegate page cleaning io to flusher t ..., KOSAKI Motohiro, (Wed Apr 14, 9:15 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Wed Apr 14, 9:35 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 11:20 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 11:32 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Wed Apr 14, 11:58 pm)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Suleiman Souhlal, (Thu Apr 15, 1:05 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., KOSAKI Motohiro, (Thu Apr 15, 1:17 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., KOSAKI Motohiro, (Thu Apr 15, 1:18 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., KOSAKI Motohiro, (Thu Apr 15, 1:26 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Thu Apr 15, 1:54 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Dave Chinner, (Thu Apr 15, 2:32 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., KOSAKI Motohiro, (Thu Apr 15, 2:41 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, KOSAKI Motohiro, (Thu Apr 15, 3:21 am)
[PATCH 1/4] vmscan: simplify shrink_inactive_list(), KOSAKI Motohiro, (Thu Apr 15, 3:23 am)
[PATCH 2/4] [cleanup] mm: introduce free_pages_prepare, KOSAKI Motohiro, (Thu Apr 15, 3:24 am)
[PATCH 4/4] vmscan: replace the pagevec in shrink_inactive ..., KOSAKI Motohiro, (Thu Apr 15, 3:26 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Thu Apr 15, 3:28 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Johannes Weiner, (Thu Apr 15, 3:30 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Mel Gorman, (Thu Apr 15, 3:31 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., KOSAKI Motohiro, (Thu Apr 15, 4:26 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Mel Gorman, (Thu Apr 15, 6:15 am)
Re: [PATCH 2/4] [cleanup] mm: introduce free_pages_prepare, Mel Gorman, (Thu Apr 15, 6:33 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Chris Mason, (Thu Apr 15, 6:42 am)
Re: [PATCH 3/4] mm: introduce free_pages_bulk, Mel Gorman, (Thu Apr 15, 6:46 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Andi Kleen, (Thu Apr 15, 7:57 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Andi Kleen, (Thu Apr 15, 8:01 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Mel Gorman, (Thu Apr 15, 8:44 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Andi Kleen, (Thu Apr 15, 9:54 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Suleiman Souhlal, (Thu Apr 15, 10:24 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Suleiman Souhlal, (Thu Apr 15, 10:27 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, tytso, (Thu Apr 15, 10:50 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Valdis.Kletnieks, (Thu Apr 15, 11:22 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Dave Chinner, (Thu Apr 15, 4:33 pm)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Dave Chinner, (Thu Apr 15, 4:40 pm)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Suleiman Souhlal, (Thu Apr 15, 4:41 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KAMEZAWA Hiroyuki, (Thu Apr 15, 6:13 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Thu Apr 15, 9:14 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, KAMEZAWA Hiroyuki, (Thu Apr 15, 9:18 pm)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Andi Kleen, (Fri Apr 16, 12:13 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Mel Gorman, (Fri Apr 16, 2:39 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Alan Cox, (Fri Apr 16, 2:50 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Mel Gorman, (Fri Apr 16, 7:55 am)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Mel Gorman, (Fri Apr 16, 7:57 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Fri Apr 16, 8:05 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Fri Apr 16, 8:14 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Johannes Weiner, (Fri Apr 16, 4:56 pm)
Re: [PATCH 1/4] vmscan: simplify shrink_inactive_list(), Dave Chinner, (Fri Apr 16, 7:37 pm)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Dave Chinner, (Fri Apr 16, 8:06 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Andrew Morton, (Sat Apr 17, 5:32 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Andrew Morton, (Sun Apr 18, 9:31 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Christoph Hellwig, (Sun Apr 18, 12:05 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Sorin Faibish, (Sun Apr 18, 12:10 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Sorin Faibish, (Sun Apr 18, 12:11 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Christoph Hellwig, (Sun Apr 18, 12:35 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Sorin Faibish, (Sun Apr 18, 4:34 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Sun Apr 18, 5:35 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Arjan van de Ven, (Sun Apr 18, 5:49 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Sun Apr 18, 6:08 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, tytso, (Sun Apr 18, 8:08 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Arjan van de Ven, (Sun Apr 18, 9:32 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Mon Apr 19, 8:15 am)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Mon Apr 19, 8:20 am)
Re: [PATCH 1/4] vmscan: delegate pageout io to flusher thr ..., Ying Han, (Mon Apr 19, 7:56 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Dave Chinner, (Thu Apr 22, 6:06 pm)
Re: [PATCH] mm: disallow direct reclaim page writeback, Mel Gorman, (Fri Apr 23, 3:50 am)