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Message-Id: <20091012170439.E4CA.A69D9226@jp.fujitsu.com>
Date:	Mon, 12 Oct 2009 17:12:32 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	kosaki.motohiro@...fujitsu.com,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm" <linux-mm@...ck.org>
Subject: Re: [PATCH 2/2] vmscan: kill shrink_all_zones()

> >   Throuput comparision
> >   ==============================================
> >   old		2192.10 MB/s
> >   new		2222.22 MB/s
> > 
> >   ok, it's almost same throuput.
> > 
> > Cc: Rafael J. Wysocki <rjw@...k.pl>
> > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> 
> I have no objections to any of the two patches, but I think we may want to drop
> shrink_all_memory() altogether.  Everything should work without it and the
> reason I didn't remove it was because I saw a performance regression on one
> system without it.  It may not be worth keeping it, though.
> 
> Have you done any tests with shrink_all_memory() removed?

Honestly, I haven't try to remvoe shrink_all_memory() at all. then, I don't have any
mesurement data of shrink_all_memory.
Yes, your opinion seems reasonable. I plan to mesure it awhile after. (sorry, I haven't
enough development time in this month)



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