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From: Luiz Capitulino <lcapitulino@redhat.com>
To: Rafael Aquini <aquini@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, riel@redhat.com, mst@redhat.com,
	amit.shah@redhat.com, anton@enomsg.org
Subject: Re: [RFC 2/2] virtio_balloon: auto-ballooning support
Date: Mon, 13 May 2013 14:25:11 -0400	[thread overview]
Message-ID: <20130513142511.3c2bde18@redhat.com> (raw)
In-Reply-To: <20130513143441.GA13910@optiplex.redhat.com>

On Mon, 13 May 2013 11:34:41 -0300
Rafael Aquini <aquini@redhat.com> wrote:

> You're right, and the host's member is used to communicate the configured size
> to guest's balloon device, however, by not changing it when the shrinker causes 
> the balloon to deflate will make the balloon thread to be woken up again 
> in order to chase the balloon size target again, won't it? Check

I don't see the balloon thread waking up after the shrinker executes in my
testing. Maybe this is so because it will only wake up when QEMU notifies
a config change.

But anyway, I'll think how to improve this as suggested by Michael too, as
I seem to be changing num_pages' semantics according to the virtio spec.

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  reply	other threads:[~2013-05-13 18:25 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-09 14:53 [RFC v2 0/2] virtio_balloon: auto-ballooning support Luiz Capitulino
2013-05-09 14:53 ` [RFC 1/2] virtio_balloon: move balloon_lock mutex to callers Luiz Capitulino
2013-05-09 21:03   ` Rafael Aquini
2013-05-10 12:52     ` Luiz Capitulino
2013-05-09 14:53 ` [RFC 2/2] virtio_balloon: auto-ballooning support Luiz Capitulino
2013-05-09 21:15   ` Rafael Aquini
2013-05-10 13:20     ` Luiz Capitulino
2013-05-10 13:28       ` Luiz Capitulino
2013-05-13 14:34       ` Rafael Aquini
2013-05-13 18:25         ` Luiz Capitulino [this message]
2013-05-13 19:02           ` Michael S. Tsirkin
2013-05-13 20:01             ` Luiz Capitulino
2013-05-12 14:30   ` Michael S. Tsirkin
2013-05-12 16:36     ` Rik van Riel
2013-05-12 18:49       ` Michael S. Tsirkin
2013-05-13 15:03         ` Luiz Capitulino
2013-05-13 15:16           ` Michael S. Tsirkin
2013-05-13 15:22             ` Rik van Riel
2013-05-13 15:35               ` Michael S. Tsirkin
2013-05-13 19:10                 ` Rik van Riel
2013-05-13 19:21                   ` Michael S. Tsirkin
2013-05-16 20:56 ` [RFC v2 0/2] " Sasha Levin
2013-05-16 21:04   ` Luiz Capitulino

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