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Re: [PATCH] fix count_vm_event preempt in memory compaction direct reclaim

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From: Andrea Arcangeli
Subject: Re: [PATCH] fix count_vm_event preempt in memory compaction direct reclaim
Date: Wednesday, May 5, 2010 - 8:25 am

On Wed, May 05, 2010 at 04:14:39PM +0100, Mel Gorman wrote:

Yep this is what I'd like too... btw in the comments you also mention
IPI but I guess that's ok. About the cost I'm not sure but I would
expect the cost of this to be even higher because it also has to run
the scheduler unlike a real IPI.
--
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Messages in current thread:
[PATCH 0/14] Memory Compaction v8, Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 01/14] mm,migration: Take a reference to the anon_v ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 03/14] mm,migration: Do not try to migrate unmapped ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 04/14] mm,migration: Allow the migration of PageSwa ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 05/14] mm: Allow CONFIG_MIGRATION to be set without ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 06/14] mm: Export unusable free space index via debugfs, Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 07/14] mm: Export fragmentation index via debugfs, Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 08/14] mm: Move definition for LRU isolation modes ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 09/14] mm,compaction: Memory compaction core, Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 10/14] mm,compaction: Add /proc trigger for memory ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 11/14] mm,compaction: Add /sys trigger for per-node ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 12/14] mm,compaction: Direct compact when a high-or ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 13/14] mm,compaction: Add a tunable that decides wh ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
[PATCH 14/14] mm,compaction: Defer compaction using an exp ..., Mel Gorman, (Tue Apr 20, 2:01 pm)
Re: [PATCH 01/14] mm,migration: Take a reference to the an ..., KAMEZAWA Hiroyuki, (Tue Apr 20, 7:49 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Christoph Lameter, (Wed Apr 21, 7:30 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Wed Apr 21, 8:00 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Christoph Lameter, (Wed Apr 21, 8:05 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Wed Apr 21, 8:14 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Christoph Lameter, (Wed Apr 21, 8:31 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Wed Apr 21, 8:34 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Christoph Lameter, (Wed Apr 21, 8:46 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., KAMEZAWA Hiroyuki, (Wed Apr 21, 4:59 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Minchan Kim, (Wed Apr 21, 5:11 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Thu Apr 22, 2:28 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., KAMEZAWA Hiroyuki, (Thu Apr 22, 2:46 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Minchan Kim, (Thu Apr 22, 3:13 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., KAMEZAWA Hiroyuki, (Thu Apr 22, 3:31 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., KAMEZAWA Hiroyuki, (Thu Apr 22, 3:51 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Thu Apr 22, 7:14 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Minchan Kim, (Thu Apr 22, 7:18 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Minchan Kim, (Thu Apr 22, 7:23 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Minchan Kim, (Thu Apr 22, 7:40 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Christoph Lameter, (Thu Apr 22, 8:14 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Thu Apr 22, 8:40 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Thu Apr 22, 8:44 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Thu Apr 22, 9:13 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Thu Apr 22, 12:29 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Christoph Lameter, (Thu Apr 22, 12:40 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., KAMEZAWA Hiroyuki, (Thu Apr 22, 4:52 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Paul E. McKenney, (Thu Apr 22, 8:39 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Minchan Kim, (Thu Apr 22, 9:55 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Fri Apr 23, 2:03 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Fri Apr 23, 11:31 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Fri Apr 23, 12:23 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Fri Apr 23, 12:39 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Fri Apr 23, 2:35 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Sat Apr 24, 3:50 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Sat Apr 24, 3:52 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Sat Apr 24, 4:13 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Sat Apr 24, 4:59 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Sat Apr 24, 7:30 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Sun Apr 25, 7:41 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Rik van Riel, (Mon Apr 26, 2:54 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Mon Apr 26, 3:11 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Mon Apr 26, 3:26 pm)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Tue Apr 27, 2:40 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., KAMEZAWA Hiroyuki, (Tue Apr 27, 3:41 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Mel Gorman, (Tue Apr 27, 4:12 am)
Re: [PATCH 04/14] mm,migration: Allow the migration of Pag ..., Andrea Arcangeli, (Tue Apr 27, 8:42 am)
[PATCH] fix count_vm_event preempt in memory compaction di ..., Andrea Arcangeli, (Wed May 5, 5:19 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Mel Gorman, (Wed May 5, 5:51 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Andrea Arcangeli, (Wed May 5, 6:11 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Mel Gorman, (Wed May 5, 6:55 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Andrea Arcangeli, (Wed May 5, 7:48 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Mel Gorman, (Wed May 5, 8:14 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Andrea Arcangeli, (Wed May 5, 8:25 am)
Re: [PATCH] fix count_vm_event preempt in memory compactio ..., Mel Gorman, (Wed May 5, 8:32 am)