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Date: Wed, 27 Feb 2008 14:33:57 +0900
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Subject: Re: [RFC][PATCH] page reclaim throttle take2
Cc: kosaki.motohiro@jp.fujitsu.com, Balbir Singh <balbir@linux.vnet.ibm.com>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>, linux-kernel@vger.kernel.org,
       linux-mm@kvack.org, Rik van Riel <riel@redhat.com>,
       Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
       Nick Piggin <npiggin@suse.de>
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Hi David,

> I disagree, the config option is indeed static but so is the NUMA topology 
> of the machine.  It represents the maximum number of page reclaim threads 
> that should be allowed for that specific topology; a maximum should not 
> need to be redefined with yet another sysctl and should remain independent 
> of various workloads.

ok.

> However, I would recommend adding the word "MAX" to the config option.

MAX_PARALLEL_RECLAIM_TASK is good word?

- kosaki