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Date: Wed, 27 Feb 2008 16:10:57 +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

> Adding yet another sysctl for this functionality seems unnecessary, unless 
> it is attempting to address other VM problems where page reclaim needs to 
> be throttled when it is being stressed.  Those issues need to be addressed 
> directly, in my opinion, instead of attempting to workaround it by 
> limiting the number of concurrent reclaim threads.

hm,

could you post another patch?
I hope avoid implementless discussion.
and I hope compare by benchmark result.


-kosaki