On Tue, Jun 05, 2018 at 02:42:40PM +0800, Peter Xu wrote:
> > I think the answer is no - it doesn't matter; by telling the hypervisor
> > the page is 'free' the kernel gives freedom to the hypervisor to
> > discard the page contents.
>
> Yeh it seems so.
Well not exactly. I replied to parent wit
On Fri, Jun 01, 2018 at 04:33:29PM +0100, Dr. David Alan Gilbert wrote:
> I think the answer is no - it doesn't matter; by telling the hypervisor
> the page is 'free' the kernel gives freedom to the hypervisor to
> discard the page contents.
I'd like to call attention to this since it's easy to ge
On Fri, Jun 01, 2018 at 04:33:29PM +0100, Dr. David Alan Gilbert wrote:
[...]
> > > > Meanwhile, this reminds me about a more funny idea: whether we can
> > > > just avoid sending the zero pages directly from QEMU's perspective.
> > > > In other words, can we just do nothing if save_zero_page() d
* Peter Xu (pet...@redhat.com) wrote:
> On Fri, Jun 01, 2018 at 03:21:54PM +0800, Wei Wang wrote:
> > On 06/01/2018 12:58 PM, Peter Xu wrote:
> > > On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
> > > > This is the deivce part implementation to add a new feature,
> > > > VIRTIO_BALLOON_F
On 06/01/2018 06:02 PM, Peter Xu wrote:
On Fri, Jun 01, 2018 at 03:29:45PM +0800, Wei Wang wrote:
On 06/01/2018 01:07 PM, Peter Xu wrote:
On Fri, Jun 01, 2018 at 12:58:24PM +0800, Peter Xu wrote:
On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
This is the deivce part implementation
On Fri, Jun 01, 2018 at 03:21:54PM +0800, Wei Wang wrote:
> On 06/01/2018 12:58 PM, Peter Xu wrote:
> > On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
> > > This is the deivce part implementation to add a new feature,
> > > VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. Th
On Fri, Jun 01, 2018 at 03:29:45PM +0800, Wei Wang wrote:
> On 06/01/2018 01:07 PM, Peter Xu wrote:
> > On Fri, Jun 01, 2018 at 12:58:24PM +0800, Peter Xu wrote:
> > > On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
> > > > This is the deivce part implementation to add a new feature,
> >
On 06/01/2018 01:07 PM, Peter Xu wrote:
On Fri, Jun 01, 2018 at 12:58:24PM +0800, Peter Xu wrote:
On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
This is the deivce part implementation to add a new feature,
VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
recei
On 06/01/2018 12:58 PM, Peter Xu wrote:
On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
This is the deivce part implementation to add a new feature,
VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
receives the guest free page hints from the driver and clears th
On Fri, Jun 01, 2018 at 12:58:24PM +0800, Peter Xu wrote:
> On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
> > This is the deivce part implementation to add a new feature,
> > VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
> > receives the guest free page hints
On Tue, Apr 24, 2018 at 02:13:43PM +0800, Wei Wang wrote:
> This is the deivce part implementation to add a new feature,
> VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
> receives the guest free page hints from the driver and clears the
> corresponding bits in the dirty b
On Tue, May 29, 2018 at 11:00:21PM +0800, Hailiang Zhang wrote:
> On 2018/4/24 14:13, Wei Wang wrote:
> > This is the deivce part implementation to add a new feature,
> > VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
> > receives the guest free page hints from the driver
On 2018/4/24 14:13, Wei Wang wrote:
This is the deivce part implementation to add a new feature,
VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
receives the guest free page hints from the driver and clears the
corresponding bits in the dirty bitmap, so that those free pa
On 04/24/2018 02:13 PM, Wei Wang wrote:
This is the deivce part implementation to add a new feature,
VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
receives the guest free page hints from the driver and clears the
corresponding bits in the dirty bitmap, so that those fre
On 04/24/2018 02:13 PM, Wei Wang wrote:
This is the deivce part implementation to add a new feature,
VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
receives the guest free page hints from the driver and clears the
corresponding bits in the dirty bitmap, so that those fre
This is the deivce part implementation to add a new feature,
VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device
receives the guest free page hints from the driver and clears the
corresponding bits in the dirty bitmap, so that those free pages are
not transferred by the migrati
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