From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Christoph Lameter <clameter@sgi.com>
Subject: Re: [PATCH] 2.6.23-rc1-mm1 - fix missing numa_zonelist_order sysctl
Date: Thu, 2 Aug 2007 09:44:45 +0900 [thread overview]
Message-ID: <20070802094445.6495e25d.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <1185994972.5059.91.camel@localhost>
On Wed, 01 Aug 2007 15:02:51 -0400
Lee Schermerhorn <Lee.Schermerhorn@hp.com> wrote:
> [But, maybe reordering the zonelists is not such a good idea
> when ZONE_MOVABLE is populated?]
>
It's case-by-case I think. In zone order with ZONE_MOVABLE case,
user's page cache will not use ZONE_NORMAL until ZONE_MOVABLE in all node
is exhausted. This is an expected behavior, I think.
I think the real problem is the scheme for "How to set zone movable size to
appropriate value for the system". This needs more study and documentation.
(but maybe depends on system configuration to some extent.)
Thanks,
-Kame
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next prev parent reply other threads:[~2007-08-02 0:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-01 19:02 Lee Schermerhorn
2007-08-02 0:44 ` KAMEZAWA Hiroyuki [this message]
2007-08-02 15:07 ` Lee Schermerhorn
2007-08-03 0:27 ` KAMEZAWA Hiroyuki
2007-08-02 16:14 ` Mel Gorman
2007-08-02 16:18 ` Mel Gorman
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