linux-kernel - Re: [RFC][PATCH] Remove cgroup member from struct page

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Message-Id: <20080901152424.d9adfe47.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 1 Sep 2008 15:24:24 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	balbir@...ux.vnet.ibm.com
Cc:	Andrew Morton <akpm@...ux-foundation.org>, hugh@...itas.com,
	menage@...gle.com, xemul@...nvz.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	"nickpiggin@...oo.com.au" <nickpiggin@...oo.com.au>
Subject: Re: [RFC][PATCH] Remove cgroup member from struct page

On Mon, 01 Sep 2008 11:39:26 +0530
Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:


> > The development of lockless-page_cgroup is not stalled. I'm just waiting for
> > my 8cpu box comes back from maintainance...
> > If you want to see, I'll post v3 with brief result on small (2cpu) box.
> > 
> 
> I understand and I am not pushing you to completing it, but at the same time I
> don't want to queue up behind it for long. I suspect the cost of porting
> lockless page cache on top of my patches should not be high, but I'll never know
> till I try :)
> 
My point is, your patch adds big lock. Then, I don't have to do meaningless effort
to reduce lock.

Thanks,
-Kame

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