From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
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
Date: Tue, 06 Apr 2010 16:20:59 -0700 [thread overview]
Message-ID: <1270596059.32096.11895.camel@nimitz> (raw)
In-Reply-To: <4BBA7226.9080508@goop.org>
On Mon, 2010-04-05 at 16:28 -0700, Jeremy Fitzhardinge wrote:
> I guess a way to use it in the short term is to have a loop of the form:
>
> while (guest_size> target) {
> shrink_all_memory(guest_size - target); /* force pages to be free */
> while (p = alloc_page(GFP_NORETRY)) /* vacuum up pages */
> release_page_to_hypervisor(p);
> /* twiddle thumbs */
> }
We also need to remember to consolidate the Xen and virtio-balloon
drivers. They both have their own GFP flags, for instance, but I think
they actually want the exact same thing. They could probably also share
that snippet, right?
-- Dave
next prev parent reply other threads:[~2010-04-06 23:21 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-04 21:52 [PATCH] VMware Balloon driver Dmitry Torokhov
2010-04-05 21:24 ` Andrew Morton
2010-04-05 22:03 ` Jeremy Fitzhardinge
2010-04-05 22:17 ` Andrew Morton
2010-04-05 22:26 ` Avi Kivity
2010-04-05 22:40 ` Andrew Morton
2010-04-05 23:01 ` Dmitry Torokhov
2010-04-05 23:03 ` Dan Magenheimer
2010-04-05 23:11 ` Andrew Morton
2010-04-05 23:28 ` Dmitry Torokhov
2010-04-06 16:28 ` Avi Kivity
2010-04-05 23:28 ` Jeremy Fitzhardinge
2010-04-05 23:34 ` Andrew Morton
2010-04-06 0:26 ` Dan Magenheimer
2010-04-06 16:30 ` Avi Kivity
2010-04-06 17:27 ` Dan Magenheimer
2010-04-06 23:20 ` Dave Hansen [this message]
2010-04-05 22:58 ` Dmitry Torokhov
2010-04-06 16:32 ` Avi Kivity
2010-04-06 17:06 ` Dmitry Torokhov
2010-04-06 17:42 ` Avi Kivity
2010-04-06 18:25 ` Jeremy Fitzhardinge
2010-04-06 18:36 ` Avi Kivity
2010-04-06 19:18 ` Jeremy Fitzhardinge
2010-04-08 5:30 ` Pavel Machek
2010-04-08 7:18 ` Avi Kivity
2010-04-08 17:01 ` Jeremy Fitzhardinge
2010-04-15 21:00 ` [PATCH v2] " Dmitry Torokhov
2010-04-21 19:59 ` Dmitry Torokhov
2010-04-21 20:18 ` Andrew Morton
2010-04-21 20:52 ` Dmitry Torokhov
2010-04-21 21:13 ` Andrew Morton
2010-04-22 0:09 ` Dmitry Torokhov
2010-04-21 23:54 ` Andrew Morton
2010-04-22 0:00 ` Dmitry Torokhov
2010-04-22 1:02 ` [Pv-drivers] " Dmitry Torokhov
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