On Wed, Nov 11, 2020 at 11:45 PM Cornelia Huck wrote:
>
> On Wed, 11 Nov 2020 14:09:23 -0800
> Alexander Duyck wrote:
>
> > On Wed, Nov 11, 2020 at 10:03 AM Cornelia Huck wrote:
> > >
> > > On Wed, 16 Sep 2020 09:28:34 -0400
> > > "Michael S. T
From: Alexander Duyck
The original wording was a bit unclear and could have been misinterpreted
as indicating that VIRTIO_BALLOON_FREE_PAGE_HINT was read-only instead of
the field free_page_hint_cmd_id. To clarify that break it up into two
sentences making it clear that the field is only
On Wed, Nov 11, 2020 at 10:03 AM Cornelia Huck wrote:
>
> On Wed, 16 Sep 2020 09:28:34 -0400
> "Michael S. Tsirkin" wrote:
>
> > On Mon, Sep 14, 2020 at 08:13:55AM +0200, Cornelia Huck wrote:
> > > On Fri, 11 Sep 2020 08:11:15 -0700
> > > Alexan
From: Alexander Duyck
The original wording was a bit unclear and could have been misinterpreted
as indicating that VIRTIO_BALLOON_FREE_PAGE_HINT was read-only instead of
the field free_page_hint_cmd_id. To clarify that break it up into two
sentences making it clear that the field is only
On Thu, Sep 10, 2020 at 10:28 PM Jan Kiszka wrote:
>
> On 04.09.20 18:56, Alexander Duyck wrote:
> > On Fri, Sep 4, 2020 at 8:20 AM Jan Kiszka wrote:
> >>
> >> On 25.08.20 16:45, Alexander Duyck wrote:
> >>> From: Alexander Duyck
> >>>
>
On Tue, Sep 1, 2020 at 7:34 AM Michael S. Tsirkin wrote:
>
> On Tue, Aug 25, 2020 at 01:40:25PM -0700, Alexander Duyck wrote:
> > On Tue, Aug 25, 2020 at 8:01 AM Cornelia Huck wrote:
> > >
> > > On Tue, 25 Aug 2020 07:44:55 -0700
> > > Alexander Duy
On Fri, Sep 4, 2020 at 8:20 AM Jan Kiszka wrote:
>
> On 25.08.20 16:45, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Free page hints allow the balloon driver to provide information on what
> > pages are not currently in use so that we can avoi
On Tue, Aug 25, 2020 at 8:01 AM Cornelia Huck wrote:
>
> On Tue, 25 Aug 2020 07:44:55 -0700
> Alexander Duyck wrote:
>
> > This patch set is meant to add documentation for balloon features that have
> > been recently added to the Linux kernel[1,2] and that were rece
From: Alexander Duyck
Page poison provides a way for the guest to notify the host that it is
initializing or poisoning freed pages with some specific poison value. As a
result of this we can infer a couple traits about the guest:
1. Free pages will contain a specific pattern within the guest.
2
commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3):
content: Document balloon feature free page hints
content: Document balloon feature page poison
content: Document balloon feature
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
On Mon, Aug 24, 2020 at 7:10 AM Alexander Duyck
wrote:
>
> This patch set is meant to add documentation for balloon features that have
> been recently added to the Linux kernel[1,2] and that were recently added
> to QEMU[3].
>
> Fixes: https://github.com/oasis-tcs/virtio-spe
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host that it is
initializing or poisoning freed pages with some specific poison value. As a
result of this we can infer a couple traits about the guest:
1. Free pages will contain a specific pattern within the guest.
2
1]:
https://lore.kernel.org/lkml/20200211224416.29318.44077.stgit@localhost.localdomain/
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexande
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements
On Fri, Aug 21, 2020 at 11:24 AM David Hildenbrand wrote:
>
> On 18.08.20 19:32, Alexander Duyck wrote:
> > From: Alexander Duyck
> > +\devicenormative{\paragraph}{Page Poison}{Device Types / Memory Balloon
> > Device / Device Operation / Page Poison}
> &g
On Tue, Aug 18, 2020 at 10:41 AM David Hildenbrand wrote:
>
> On 18.08.20 19:32, Alexander Duyck wrote:
> > I am resending this patch set with the hope of getting final reviews sorted
> > out as I had no feedback on v6. If there are no further comments to be made
> >
://lore.kernel.org/lkml/20200211224416.29318.44077.stgit@localhost.localdomain/
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host that it is
initializing or poisoning freed pages with some specific poison value. As a
result of this we can infer a couple traits about the guest:
1. Free pages will contain a specific pattern within the guest.
2
So it has been almost a month since I submitted this and there hasn't
been any feedback. I'm wondering if this is ready for acceptance. If
so what are the next steps to getting this accepted into the virtio
spec?
Thanks.
- Alex
On Mon, Jul 13, 2020 at 11:24 AM Alexander Duyck
wrote
From: Alexander Duyck
Recently a feature named Free Page Reporting was added to the virtio
balloon. In order to avoid any confusion we should drop the use of the word
'report' when referring to Free Page Hinting. So what this patch does is go
through and replace all instances of 'report
From: Alexander Duyck
There is already locking in place when we are stopping free page hinting
but there is not similar protections in place when we start. I can only
assume this was overlooked as in most cases the page hinting should not be
occurring when we are starting the hinting, however
From: Alexander Duyck
Based on code review it appears possible for the driver to force the device
out of a stopped state when hinting by repeating the last ID it was
provided.
Prevent this by only allowing a transition to the start state when we are
in the requested state. This way the driver
g Coverity issue
Rebased on latest pull of QEMU
---
Alexander Duyck (3):
virtio-balloon: Prevent guest from starting a report when we didn't
request one
virtio-balloon: Add locking to prevent possible race when starting hinting
virtio-balloon: Replace free page hinting references
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements
://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3):
content: Document balloon feature free page hints
content: Document balloon feature page poison
content: Document balloon feature free page reporting
conformance.tex |6 +
content.tex
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host that it is
initializing or poisoning freed pages with some specific poison value. As a
result of this we can infer a couple traits about the guest:
1. Free pages will contain a specific pattern within the guest.
2
On Wed, Jul 8, 2020 at 4:03 AM Cornelia Huck wrote:
>
> On Mon, 06 Jul 2020 14:18:22 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Page poison provides a way for the guest to notify the host that it is
> > initializing or poisoning f
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host that it is
initializing or poisoning freed pages with some specific poison value. As a
result of this we can infer a couple traits about the guest:
1. Free pages will contain a specific pattern within the guest.
2
---
Alexander Duyck (3):
content: Document balloon feature page poison
content: Document balloon feature free page reporting
content: Document balloon feature free page hints
conformance.tex |6 +
content.tex | 280 ++-
2 files
nd clarify which objects are for free
page reporting and which are for free page hinting.
Changes from v1:
Split first patch into two patches as each addresses a separate issue.
Added acked-by for first patch.
---
Alexander Duyck (3):
virtio-balloon: Prevent guest from starting a repo
From: Alexander Duyck
There is already locking in place when we are stopping free page hinting
but there is not similar protections in place when we start. I can only
assume this was overlooked as in most cases the page hinting should not be
occurring when we are starting the hinting, however
On Wed, Jun 24, 2020 at 11:26 AM David Hildenbrand wrote:
>
> On 27.05.20 06:07, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Free page hints allow the balloon driver to provide information on what
> > pages are not currently in use so that we can avoi
On Mon, Jun 22, 2020 at 1:10 AM David Hildenbrand wrote:
>
> On 19.06.20 23:53, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Based on code review it appears possible for the driver to force the device
> > out of a stopped state when hi
From: Alexander Duyck
Recently a feature named Free Page Reporting was added to the virtio
balloon. In order to avoid any confusion we should drop the use of the word
'report' when referring to Free Page Hinting. So what this patch does is go
through and replace all instances of 'report
From: Alexander Duyck
Based on code review it appears possible for the driver to force the device
out of a stopped state when hinting by repeating the last ID it was
provided.
Prevent this by only allowing a transition to the start state when we are
in the requested state. This way the driver
containing the same ID it had submitted earlier.
The second patch takes care of renaming various hinting objects that were
using "reporting" in the name to try and clarify which objects are for free
page reporting and which are for free page hinting.
---
Alexander Duyck (2):
virt
On Thu, Jun 18, 2020 at 10:10 AM David Hildenbrand wrote:
>
> >>
> >> Ugh, ...
> >>
> >> @MST, you might have missed that in another discussion, what's your
> >> general opinion about removing free page hinting in QEMU (and Linux)? We
> >> keep finding issues in the QEMU implementation, including
On Thu, Jun 18, 2020 at 5:54 AM David Hildenbrand wrote:
>
> On 13.06.20 22:07, Alexander Duyck wrote:
> > On Tue, May 26, 2020 at 9:14 PM Alexander Duyck
> > wrote:
> >>
> >> From: Alexander Duyck
> >>
> >> In an upcoming patch a featu
It's been almost 2 weeks since I submitted this. Just thought I would
follow up and see if there is any ETA on when this might be applied,
or if I missed the need to fix something and resubmit.
Thanks.
- Alex
On Tue, May 26, 2020 at 9:13 PM Alexander Duyck
wrote:
>
> This series pr
On Fri, May 29, 2020 at 1:13 AM David Hildenbrand wrote:
>
> On 27.05.20 06:06, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Page poison provides a way for the guest to notify the host that it is
> > initializing or poisoning freed pages w
From: Alexander Duyck
In an upcoming patch a feature named Free Page Reporting is about to be
added. In order to avoid any confusion we should drop the use of the word
'report' when referring to Free Page Hinting. So what this patch does is go
through and replace all instances of 'report
From: Alexander Duyck
Add support for free page reporting. The idea is to function very similar
to how the balloon works in that we basically end up madvising the page as
not being used. However we don't really need to bother with any deflate
type logic since the page will be faulted back
el headers were synced
Added compat machine code for page-poison feature
Changes from v24:
Moved free page hinting rename to end of set as feature may be removed entirely
Added code to cleanup reporting_vq
---
Alexander Duyck (3):
virtio-balloon: Implement support for page poison reporting
From: Alexander Duyck
We need to make certain to advertise support for page poison reporting if
we want to actually get data on if the guest will be poisoning pages.
Add a value for reporting the poison value being used if page poisoning is
enabled in the guest. With this we can determine if we
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements
@localhost.localdomain/
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3):
content: Document balloon feature page poison
From: Alexander Duyck
Page poison provides a way for the guest to notify the host that it is
initializing or poisoning freed pages with some specific poison value. As a
result of this we can infer a couple traits about the guest:
1. Free pages will contain a specific pattern within the guest.
2
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
On Tue, May 26, 2020 at 8:38 AM Cornelia Huck wrote:
>
> On Tue, 26 May 2020 17:28:00 +0200
> David Hildenbrand wrote:
>
> > On 26.05.20 16:50, Alexander Duyck wrote:
> > > On Tue, May 26, 2020 at 1:24 AM David Hildenbrand
> > > wrote:
>
> > >>
like we are at RC7 now so I am worried this won't
make it in before LInus releases 5.7.
Thanks.
- Alex
On Fri, May 15, 2020 at 10:02 AM Alexander Duyck
wrote:
>
> Just following up. It has been a week since I submitted this. I was
> hoping we could get it in for 5.7 since this affects
On Wed, May 20, 2020 at 1:24 AM David Hildenbrand wrote:
>
> On 19.05.20 23:00, Alexander Duyck wrote:
> > On Tue, May 19, 2020 at 9:09 AM David Hildenbrand wrote:
[...]
> >>>>
> >>>> Let's think this through, what about this scenario:
> >>>
On Tue, May 26, 2020 at 1:24 AM David Hildenbrand wrote:
>
> On 20.05.20 18:25, Alexander Duyck wrote:
> > On Wed, May 20, 2020 at 2:28 AM David Hildenbrand wrote:
> >>
> >> On 20.05.20 04:02, Alexander Duyck wrote:
> >>> From: Alexander Duy
On Tue, May 26, 2020 at 2:06 AM David Hildenbrand wrote:
>
> On 20.05.20 04:02, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Free page reporting is a feature that allows the guest to proactively
> > report unused pages to the host. By making use of t
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements.
Signed
From: Alexander Duyck
Page poison provides a way for the guest to notify the host of the content
expected to be found in pages when they are added back to the guest after
being discarded. The feature currently doesn't apply to the existing
balloon features, however it will apply to an upcoming
.stgit@localhost.localdomain/
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3):
content: Document balloon feature free
On Tue, May 19, 2020 at 9:09 AM David Hildenbrand wrote:
>
> >> I proposed that the driver MUST reinitialize the pages when reusing
> >> (which is what Linux does), so then this is true. Reuse implies
> >> initializing, implies modification. It's somewhat simpler than what you
> >> propose,
On Tue, May 19, 2020 at 3:27 AM David Hildenbrand wrote:
>
> On 15.05.20 19:33, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Free page reporting is a feature that allows the guest to proactively
> > report unused pages to the host. By making use of t
On Mon, May 18, 2020 at 11:54 PM Cornelia Huck wrote:
>
> On Mon, 18 May 2020 13:15:50 -0700
> Alexander Duyck wrote:
>
> > On Mon, May 18, 2020 at 6:18 AM David Hildenbrand wrote:
> > >
> > > On 15.05.20 19:33, Alexander Duyck wrote:
>
> >
On Tue, May 19, 2020 at 2:40 AM David Hildenbrand wrote:
>
> [...]
> >>> +\begin{description}
> >>> +\item[VIRTIO_BALLOON_CMD_ID_STOP (0)] Any command ID previously supplied
> >>> by
> >>> + the device is invalid. The driver should halt all hinting until a new
> >>> + command ID is supplied.
>
On Mon, May 18, 2020 at 6:18 AM David Hildenbrand wrote:
>
> On 15.05.20 19:33, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Free page hints allow the balloon driver to provide information on what
> > pages are not currently in use so that we can avoi
On Fri, May 8, 2020 at 2:30 PM Alexander Duyck
wrote:
>
> From: Alexander Duyck
>
> Add support for free page reporting. The idea is to function very similar
> to how the balloon works in that we basically end up madvising the page as
> not being used. However we don't rea
On Fri, May 15, 2020 at 10:17 AM David Hildenbrand wrote:
>
> On 08.05.20 19:16, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Page poison provides a way for the guest to notify the host of the content
> > expected to be found in pages when they are
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host of the content
expected to be found in pages when they are added back to the guest after
being discarded. The feature currently doesn't apply to the existing
balloon features, however it will apply to an upcoming
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements.
Signed
/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3):
content: Document balloon feature free page hints
content: Document balloon feature page poison
content: Document balloon feature
On Mon, May 11, 2020 at 5:44 AM David Hildenbrand wrote:
>
> On 11.05.20 14:38, Cornelia Huck wrote:
> > On Fri, 08 May 2020 10:16:14 -0700
> > Alexander Duyck wrote:
> >
> >> This patch set is meant to add documentation for balloon features that have
> >&g
Just following up. It has been a week since I submitted this. I was
hoping we could get it in for 5.7 since this affects free page
reporting which will be introduced with that kernel release.
Thanks.
- Alex
On Fri, May 8, 2020 at 10:40 AM Alexander Duyck
wrote:
>
> From: Alexander
On Mon, May 11, 2020 at 5:44 AM David Hildenbrand wrote:
>
> On 11.05.20 14:38, Cornelia Huck wrote:
> > On Fri, 08 May 2020 10:16:14 -0700
> > Alexander Duyck wrote:
> >
> >> This patch set is meant to add documentation for balloon features that have
> >&g
I have incorporated your feedback.
Thanks.
- Alex
On Mon, May 11, 2020 at 5:36 AM Cornelia Huck wrote:
>
> On Fri, 08 May 2020 10:16:36 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Free page reporting is a feature that allows the guest to
Thanks. I will incorporate the feedback below for v2.
On Mon, May 11, 2020 at 5:25 AM Cornelia Huck wrote:
>
> On Fri, 08 May 2020 10:16:29 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Page poison provides a way for the guest to notify the ho
On Mon, May 11, 2020 at 5:10 AM Cornelia Huck wrote:
>
> On Fri, 08 May 2020 10:16:22 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Free page hints allow the balloon driver to provide information on what
> > pages are not currently
From: Alexander Duyck
Add support for free page reporting. The idea is to function very similar
to how the balloon works in that we basically end up madvising the page as
not being used. However we don't really need to bother with any deflate
type logic since the page will be faulted back
From: Alexander Duyck
We need to make certain to advertise support for page poison reporting if
we want to actually get data on if the guest will be poisoning pages.
Add a value for reporting the poison value being used if page poisoning is
enabled in the guest. With this we can determine if we
el headers were synced
Added compat machine bits for page-poison feature
---
Alexander Duyck (3):
virtio-balloon: Replace free page hinting references to 'report' with
'hint'
virtio-balloon: Implement support for page poison reporting feature
virtio-balloon: Provide an inter
From: Alexander Duyck
In an upcoming patch a feature named Free Page Reporting is about to be
added. In order to avoid any confusion we should drop the use of the word
'report' when referring to Free Page Hinting. So what this patch does is go
through and replace all instances of 'report
that are adding the functionality, or if this patch-set
is good as-is?
Thanks.
- Alex
On Mon, Apr 27, 2020 at 5:53 PM Alexander Duyck
wrote:
>
> This series provides an asynchronous means of reporting free guest pages
> to QEMU through virtio-balloon so that the memory associated with those
&g
From: Alexander Duyck
Free page hints allow the balloon driver to provide information on what
pages are not currently in use so that we can avoid the cost of copying
them in migration scenarios. Add a feature description for free page hints
describing basic functioning and requirements.
Signed
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host of the content
expected to be found in pages when they are added back to the guest after
being discarded. The feature currently doesn't apply to the existing
balloon features, however it will apply to an upcoming
://lore.kernel.org/lkml/20200211224416.29318.44077.stgit@localhost.localdomain/
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3
On Thu, May 7, 2020 at 8:59 AM Cornelia Huck wrote:
>
> On Wed, 29 Apr 2020 11:57:57 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Free page reporting is a feature that allows the guest to proactively
> > report unused pages to the
On Thu, May 7, 2020 at 8:48 AM Cornelia Huck wrote:
>
> On Wed, 29 Apr 2020 11:57:51 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Page poison provides a way for the guest to notify the host of the content
> > expected to be fou
Thanks for the review. For anything below where I didn't comment I am
just going with your suggestion.
On Thu, May 7, 2020 at 8:35 AM Cornelia Huck wrote:
>
> On Wed, 29 Apr 2020 11:57:45 -0700
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Fre
/lkml/20200211224416.29318.44077.stgit@localhost.localdomain/
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0c504f154718904ae49349147e3b7e6ae91ffdc
[3]: https://lists.oasis-open.org/archives/virtio-dev/202004/msg00180.html
---
Alexander Duyck (3):
content
From: Alexander Duyck
Free page reporting is a feature that allows the guest to proactively
report unused pages to the host. By making use of this feature is is
possible to reduce the overall memory footprint of the guest in cases where
some significant portion of the memory is idle. Add
From: Alexander Duyck
Page poison provides a way for the guest to notify the host of the content
expected to be found in pages when they are added back to the guest after
being discarded. The feature currently doesn't apply to the existing
balloon features, however it will apply to an upcoming
From: Alexander Duyck
We need to make certain to advertise support for page poison reporting if
we want to actually get data on if the guest will be poisoning pages.
Add a value for reporting the poison value being used if page poisoning is
enabled in the guest. With this we can determine if we
From: Alexander Duyck
Add support for free page reporting. The idea is to function very similar
to how the balloon works in that we basically end up madvising the page as
not being used. However we don't really need to bother with any deflate
type logic since the page will be faulted back
From: Alexander Duyck
Sync the latest upstream changes for free page reporting. To be
replaced by a full linux header sync.
Signed-off-by: Alexander Duyck
---
include/standard-headers/linux/virtio_balloon.h |1 +
1 file changed, 1 insertion(+)
diff --git a/include/standard-headers/linux
ches 4 & 5
Added additional comment fixes in patch 3 to remove "reporting" reference
Renamed rvq in patch 5 to reporting_vq to improve readability
Moved call adding reporting_vq to after free_page_vq to fix VQ ordering
---
Alexander Duyck (5):
linux-headers:
From: Alexander Duyck
In an upcoming patch a feature named Free Page Reporting is about to be
added. In order to avoid any confusion we should drop the use of the word
'report' when referring to Free Page Hinting. So what this patch does is go
through and replace all instances of 'report
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