From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: kosaki.motohiro@jp.fujitsu.com,
Andrea Arcangeli <aarcange@redhat.com>,
Christoph Lameter <cl@linux-foundation.org>,
Adam Litke <agl@us.ibm.com>, Avi Kivity <avi@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC-PATCH 0/7] Memory Compaction v1
Date: Fri, 22 Jan 2010 09:16:51 +0900 (JST) [thread overview]
Message-ID: <20100122091504.6BF7.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <20100121101112.GH5154@csn.ul.ie>
> > > Comments?
> >
> > I think "Total pages reclaimed" increasing is not good thing ;)
>
> First, I made a mistake in the patch. With the bug fixed, they're
> reduced. See the post later in the thread
> http://lkml.org/lkml/2010/1/6/215
Oh, I see. I'm glad the issue was alredy fixed.
> > Honestly, I haven't understand why your patch increase reclaimed and
> > the exactly meaning of the your tool's rclm field.
> >
> > Can you share your mesurement script? May I run the same test?
>
> Unfortunately at the moment it's part of a mini-testgrid setup I run out
> of the house. It doesn't lend itself to being stand-alone. I'll break it
> out as part of the next release.
surely good news :)
> > I like this patch, but I don't like increasing reclaim. I'd like to know
> > this patch require any vmscan change and/or its change mitigate the issue.
> >
>
> With the bug repaired, reclaims go from 105132 to 45935 with more huge
> pages allocated so right now, no special action is required.
ok. thanks.
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prev parent reply other threads:[~2010-01-22 0:16 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-06 16:26 Mel Gorman
2010-01-06 16:26 ` [PATCH 1/7] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA Mel Gorman
2010-01-07 21:46 ` David Rientjes
2010-01-07 22:04 ` Christoph Lameter
2010-01-19 13:00 ` Mel Gorman
2010-01-06 16:26 ` [PATCH 2/7] Export unusable free space index via /proc/pagetypeinfo Mel Gorman
2010-01-06 17:10 ` Adam Litke
2010-01-06 17:29 ` Mel Gorman
2010-01-06 23:21 ` Tim Pepper
2010-01-28 22:27 ` David Rientjes
2010-02-05 10:23 ` Mel Gorman
2010-02-05 21:40 ` David Rientjes
2010-02-08 12:10 ` Mel Gorman
2010-01-06 16:26 ` [PATCH 3/7] Export fragmentation " Mel Gorman
2010-01-06 16:26 ` [PATCH 4/7] Memory compaction core Mel Gorman
2010-01-06 17:50 ` Mel Gorman
2010-01-06 18:22 ` Mel Gorman
2010-01-06 21:37 ` Andi Kleen
2010-01-06 22:07 ` Mel Gorman
2010-01-06 16:26 ` [PATCH 5/7] Add /proc trigger for memory compaction Mel Gorman
2010-01-07 22:00 ` David Rientjes
2010-01-13 23:23 ` David Rientjes
2010-01-20 9:48 ` Mel Gorman
2010-01-20 9:48 ` Mel Gorman
2010-01-20 18:12 ` Christoph Lameter
2010-01-20 20:53 ` Mel Gorman
2010-01-20 20:48 ` David Rientjes
2010-01-21 14:09 ` Mel Gorman
2010-01-21 23:34 ` David Rientjes
2010-01-06 16:26 ` [PATCH 6/7] Direct compact when a high-order allocation fails Mel Gorman
2010-01-06 16:26 ` [PATCH 7/7] Do not compact within a preferred zone after a compaction failure Mel Gorman
2010-01-13 23:28 ` David Rientjes
2010-01-20 9:51 ` Mel Gorman
2010-01-21 3:12 ` [RFC-PATCH 0/7] Memory Compaction v1 KOSAKI Motohiro
2010-01-21 10:11 ` Mel Gorman
2010-01-22 0:16 ` KOSAKI Motohiro [this message]
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