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From: Ed Tomlinson <edt@aei.ca>
To: Mel Gorman <mel@csn.ul.ie>
Cc: linux-kernel@vger.kernel.org, Nick Piggin <npiggin@suse.de>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: How movable is zone movable?
Date: Mon, 13 Apr 2009 08:10:58 -0400	[thread overview]
Message-ID: <200904130810.59230.edt@aei.ca> (raw)
In-Reply-To: <20090413100440.GB15333@csn.ul.ie>

On Monday 13 April 2009 06:04:40 you wrote:
> On Mon, Apr 13, 2009 at 10:59:25AM +0100, Mel Gorman wrote:
> > > # huge_pages with movablecore set to 3G
> > 
> > How big did you make the movable zone and what is the hugepage size?
> 
> Scratch that question, I missed you said it was 3G. Are pages being
> mlocked()?

Looks like there are mlocked pages.  What stopped the patches to allow these pages
to be migrated?

TIA
Ed

(from /proc/zoneinfo)
Node 0, zone  Movable
  pages free     35321
        min      858
        low      1072
        high     1287
        scanned  0 (aa: 2 ia: 0 af: 0 if: 0)
        spanned  786432
        present  775680
    nr_free_pages 35321
    nr_inactive_anon 29383
    nr_active_anon 82452
    nr_inactive_file 376826
    nr_active_file 219586
    nr_unevictable 816
    nr_mlock     816
    nr_anon_pages 110648
    nr_mapped    28364
    nr_file_pages 598492
    nr_dirty     131
    nr_writeback 0
    nr_slab_reclaimable 0
    nr_slab_unreclaimable 0
    nr_page_table_pages 0
    nr_unstable  0
    nr_bounce    0
    nr_vmscan_write 95
    nr_writeback_temp 0
        protection: (0, 0, 0, 0)
  pagesets
    cpu: 0
              count: 7
              high:  186
              batch: 31
  vm stats threshold: 24
    cpu: 1
              count: 7
              high:  186
              batch: 31
  vm stats threshold: 24
    cpu: 2
              count: 14
              high:  186
              batch: 31
  vm stats threshold: 24
  all_unreclaimable: 0
  prev_priority:     12
  start_pfn:         1441792
  inactive_ratio:    4

  reply	other threads:[~2009-04-13 12:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-12 15:29 Ed Tomlinson
2009-04-13  1:04 ` KAMEZAWA Hiroyuki
2009-04-13  9:59 ` Mel Gorman
2009-04-13 10:04   ` Mel Gorman
2009-04-13 12:10     ` Ed Tomlinson [this message]
2009-04-14  9:18       ` Mel Gorman

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