Date: Mon, 5 Apr 2010 16:34:58 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Dmitry Torokhov <dtor@vmware.com>, linux-kernel@vger.kernel.org,
       pv-drivers@vmware.com, Avi Kivity <avi@redhat.com>,
       Dan Magenheimer <dan.magenheimer@oracle.com>
Subject: Re: [PATCH] VMware Balloon driver
Message-Id: <20100405163458.135fa319.akpm@linux-foundation.org>
In-Reply-To: <4BBA7226.9080508@goop.org>
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	<20100405142419.2c9bea3d.akpm@linux-foundation.org>
	<4BBA5E1C.10706@goop.org>
	<20100405151720.8a6ac5e3.akpm@linux-foundation.org>
	<4BBA7226.9080508@goop.org>
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On Mon, 05 Apr 2010 16:28:38 -0700
Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> And is there some way to get the vm subsystem to provide backpressure: 
> "I'm getting desperately short of memory!"?

Not really.  One could presumably pull dopey tricks by hooking into
slab shrinker registration or even ->writepage().  But cooking up
something explicit doesn't sound too hard - the trickiest bit would be
actually defining what it should do.

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