linux-kernel - Re: [RFC/T/D][PATCH 2/2] Linux/Guest cooperative unmapped page cache control

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Message-Id: <20100611140842.e748d47d.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 11 Jun 2010 14:08:42 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	balbir@...ux.vnet.ibm.com, Dave Hansen <dave@...ux.vnet.ibm.com>,
	Avi Kivity <avi@...hat.com>, kvm <kvm@...r.kernel.org>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC/T/D][PATCH 2/2] Linux/Guest cooperative unmapped page
 cache control

On Fri, 11 Jun 2010 14:05:53 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:

> I can think of both way in kernel and in user approarh and they should be
> complement to each other.
> 
> An example of kernel-based approach is.
>  1. add a shrinker callback(A) for balloon-driver-for-guest as guest kswapd.
>  2. add a shrinker callback(B) for balloon-driver-for-host as host kswapd.
> (I guess current balloon driver is only for host. Please imagine.)
                                              ^^^^
                                              guest.
Sorry.
-Kame

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