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2020 Mar 10
4
[PATCH v3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
On 10.03.20 20:05, David Rientjes wrote:
> On Tue, 10 Mar 2020, David Hildenbrand wrote:
>
>> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
>> changed the behavior when deflation happens automatically. Instead of
>> deflating when called by the OOM handler, the shrin...
2020 Mar 10
4
[PATCH v3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
On 10.03.20 20:05, David Rientjes wrote:
> On Tue, 10 Mar 2020, David Hildenbrand wrote:
>
>> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
>> changed the behavior when deflation happens automatically. Instead of
>> deflating when called by the OOM handler, the shrin...
2020 Mar 11
0
[PATCH v3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
On Tue, Mar 10, 2020 at 08:13:19PM +0100, David Hildenbrand wrote:
> On 10.03.20 20:05, David Rientjes wrote:
> > On Tue, 10 Mar 2020, David Hildenbrand wrote:
> >
> >> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
> >> changed the behavior when deflation happens automatically. Instead of
> >> deflating when called by t...
2020 Mar 10
3
[PATCH v3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...Tyler Sanderson <tysand at google.com>
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Cc: Andrew Morton <akpm at linux-foundation.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
v2 -> v3:
- Use vb->vdev instead of vdev in all fe...
2020 Mar 10
3
[PATCH v3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...Tyler Sanderson <tysand at google.com>
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Cc: Andrew Morton <akpm at linux-foundation.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
v2 -> v3:
- Use vb->vdev instead of vdev in all fe...
2020 Mar 10
0
[PATCH v3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...nd at google.com>
> Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
> Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Wei Wang <wei.w.wang at intel.com>
> Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
> Cc: David Rientjes <rientjes at google.com>
> Cc: Nadav Amit <namit at vmware.com>
> Cc: Michal Hocko <mhocko at kernel.org>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Signed-off-by: David Hildenbrand <david at redhat.com>
Acked-by: David Rientjes <rientjes at...
2020 Mar 11
2
[PATCH v4 0/1] mm: virtio-balloon fix to go through the -mm tree
@Andrew, as this fix is based on free page reporting, can this go through
your tree?
Patch #1 contains a proper description.
v3 -> v4:
- Add Ack from David Rientjes
- Minor tweaks to test details in the patch description
v2 -> v3:
- Use vb->vdev instead of vdev in all feature checks. We'll clean the
other ones up later.
- Add one empty line virtballoon_probe() to make it look consistent.
- Drop one unrelated added line in virtballoon_remove()
v...
2020 Mar 11
0
[PATCH v4] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...ull"
process then, without the patch, the inflation process would never reach
the target.
[1] https://www.spinics.net/lists/linux-virtualization/msg40863.html
Reported-by: Tyler Sanderson <tysand at google.com>
Tested-by: Tyler Sanderson <tysand at google.com>
Acked-by: David Rientjes <rientjes at google.com>
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <...
2010 Nov 16
14
[Bug 1838] New: /proc/self/oom_adj needs to use /proc/self/oom_score_adj
...elf/oom_score_adj
Product: Portable OpenSSH
Version: 5.6p1
Platform: All
OS/Version: Linux
Status: NEW
Severity: minor
Priority: P2
Component: sshd
AssignedTo: unassigned-bugs at mindrot.org
ReportedBy: rientjes at google.com
/proc/self/oom_adj is deprecated in Linux 2.6.36 and later kernels; it
is scheduled for removal in August 2012.
sshd uses this interface to disable oom killing.
The new interface to use is /proc/self/oom_score_adj. Instead of
writing -17 to /proc/self/oom_adj, sshd should now w...
2020 Feb 06
1
[PATCH v1 3/3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
.../lists/linux-virtualization/msg40863.html
>
> Reported-by: Tyler Sanderson <tysand at google.com>
> Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Wei Wang <wei.w.wang at intel.com>
> Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
> Cc: David Rientjes <rientjes at google.com>
> Cc: Nadav Amit <namit at vmware.com>
> Cc: Michal Hocko <mhocko at kernel.org>
> Signed-off-by: David Hildenbrand <david at redhat.com>
I guess we should add a Fixes tag to the patch it's reverting,
this way it's backported and...
2020 Feb 05
2
[PATCH v1 3/3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...t/lists/linux-virtualization/msg40863.html
>
> Reported-by: Tyler Sanderson <tysand at google.com>
> Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Wei Wang <wei.w.wang at intel.com>
> Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
> Cc: David Rientjes <rientjes at google.com>
> Cc: Nadav Amit <namit at vmware.com>
> Cc: Michal Hocko <mhocko at kernel.org>
> Signed-off-by: David Hildenbrand <david at redhat.com>
> ---
> drivers/virtio/virtio_balloon.c | 107 +++++++++++++-------------------
> 1 file ch...
2020 Feb 05
2
[PATCH v1 3/3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...t/lists/linux-virtualization/msg40863.html
>
> Reported-by: Tyler Sanderson <tysand at google.com>
> Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Wei Wang <wei.w.wang at intel.com>
> Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
> Cc: David Rientjes <rientjes at google.com>
> Cc: Nadav Amit <namit at vmware.com>
> Cc: Michal Hocko <mhocko at kernel.org>
> Signed-off-by: David Hildenbrand <david at redhat.com>
> ---
> drivers/virtio/virtio_balloon.c | 107 +++++++++++++-------------------
> 1 file ch...
2020 Feb 05
12
[PATCH v1 0/3] virtio-balloon: Fixes + switch back to OOM handler
Two fixes for issues I stumbled over while working on patch #3.
Switch back to the good ol' OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
as the switch to the shrinker introduce some undesired side effects. Keep
the shrinker in place to handle VIRTIO_BALLOON_F_FREE_PAGE_HINT.
Lengthy discussion under [1].
I tested with QEMU and "deflate-on-oom=on". Works as expected. Did not
test
2020 Mar 10
2
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...Tyler Sanderson <tysand at google.com>
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Cc: Andrew Morton <akpm at linux-foundation.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
v1 -> v2:
- Rebase on top of linux-next (free page re...
2020 Mar 10
2
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...Tyler Sanderson <tysand at google.com>
Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Cc: Andrew Morton <akpm at linux-foundation.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
v1 -> v2:
- Rebase on top of linux-next (free page re...
2020 Feb 05
0
[PATCH v1 3/3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
....
[1] https://www.spinics.net/lists/linux-virtualization/msg40863.html
Reported-by: Tyler Sanderson <tysand at google.com>
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
drivers/virtio/virtio_balloon.c | 107 +++++++++++++-------------------
1 file changed, 44 insertions(+), 63 de...
2020 Feb 05
0
[PATCH v1 3/3] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...ion/msg40863.html
>>
>> Reported-by: Tyler Sanderson <tysand at google.com>
>> Cc: Michael S. Tsirkin <mst at redhat.com>
>> Cc: Wei Wang <wei.w.wang at intel.com>
>> Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
>> Cc: David Rientjes <rientjes at google.com>
>> Cc: Nadav Amit <namit at vmware.com>
>> Cc: Michal Hocko <mhocko at kernel.org>
>> Signed-off-by: David Hildenbrand <david at redhat.com>
>> ---
>> drivers/virtio/virtio_balloon.c | 107 +++++++++++++---------------...
2020 Mar 10
0
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...nd at google.com>
> Fixes: 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
> Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Wei Wang <wei.w.wang at intel.com>
> Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
> Cc: David Rientjes <rientjes at google.com>
> Cc: Nadav Amit <namit at vmware.com>
> Cc: Michal Hocko <mhocko at kernel.org>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Signed-off-by: David Hildenbrand <david at redhat.com>
> ---
A couple of nits in this versi...
2020 Apr 15
0
[PATCH AUTOSEL 5.6 111/129] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...mail.gmail.com
Tested-by: Tyler Sanderson <tysand at google.com>
Reported-by: Tyler Sanderson <tysand at google.com>
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
Link: https://lore.kernel.org/r/20200205163402.42627-4-david at redhat.com
Signed-off-by: Michael S. Tsirkin <mst...
2020 Apr 15
0
[PATCH AUTOSEL 5.5 091/106] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...mail.gmail.com
Tested-by: Tyler Sanderson <tysand at google.com>
Reported-by: Tyler Sanderson <tysand at google.com>
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Cc: Alexander Duyck <alexander.h.duyck at linux.intel.com>
Cc: David Rientjes <rientjes at google.com>
Cc: Nadav Amit <namit at vmware.com>
Cc: Michal Hocko <mhocko at kernel.org>
Signed-off-by: David Hildenbrand <david at redhat.com>
Link: https://lore.kernel.org/r/20200205163402.42627-4-david at redhat.com
Signed-off-by: Michael S. Tsirkin <mst...