Displaying 20 results from an estimated 118 matches for "unregister_oom_notifi".
Did you mean:
unregister_oom_notifier
2018 Jul 27
5
[PATCH v2 0/2] virtio-balloon: some improvements
This series is split from the "Virtio-balloon: support free page
reporting" series to make some improvements.
v1->v2 ChangeLog:
- register the shrinker when VIRTIO_BALLOON_F_DEFLATE_ON_OOM is negotiated.
Wei Wang (2):
virtio-balloon: remove BUG() in init_vqs
virtio_balloon: replace oom notifier with shrinker
drivers/virtio/virtio_balloon.c | 125
2018 Jul 27
5
[PATCH v2 0/2] virtio-balloon: some improvements
This series is split from the "Virtio-balloon: support free page
reporting" series to make some improvements.
v1->v2 ChangeLog:
- register the shrinker when VIRTIO_BALLOON_F_DEFLATE_ON_OOM is negotiated.
Wei Wang (2):
virtio-balloon: remove BUG() in init_vqs
virtio_balloon: replace oom notifier with shrinker
drivers/virtio/virtio_balloon.c | 125
2018 Aug 03
4
[PATCH v3 0/2] virtio-balloon: some improvements
This series is split from the "Virtio-balloon: support free page
reporting" series to make some improvements.
ChangeLog:
v2->v3:
- shrink the balloon pages according to the amount requested by the
claimer, instead of using a user specified number;
v1->v2:
- register the shrinker when VIRTIO_BALLOON_F_DEFLATE_ON_OOM is
negotiated.
Wei Wang (2):
virtio-balloon: remove BUG()
2016 Jan 01
2
[PATCH v4 2/2] virtio_balloon: Use a workqueue instead of "vballoon" kthread
..._device *vdev)
>
> virtio_device_ready(vdev);
>
> - vb->thread = kthread_run(balloon, vb, "vballoon");
> - if (IS_ERR(vb->thread)) {
> - err = PTR_ERR(vb->thread);
> - goto out_del_vqs;
> - }
> -
> return 0;
>
> -out_del_vqs:
> - unregister_oom_notifier(&vb->nb);
> out_oom_notify:
> vdev->config->del_vqs(vdev);
> out_free_vb:
> @@ -563,7 +534,7 @@ static void virtballoon_remove(struct virtio_device *vdev)
> struct virtio_balloon *vb = vdev->priv;
>
> unregister_oom_notifier(&vb->nb);
> - k...
2016 Jan 01
2
[PATCH v4 2/2] virtio_balloon: Use a workqueue instead of "vballoon" kthread
..._device *vdev)
>
> virtio_device_ready(vdev);
>
> - vb->thread = kthread_run(balloon, vb, "vballoon");
> - if (IS_ERR(vb->thread)) {
> - err = PTR_ERR(vb->thread);
> - goto out_del_vqs;
> - }
> -
> return 0;
>
> -out_del_vqs:
> - unregister_oom_notifier(&vb->nb);
> out_oom_notify:
> vdev->config->del_vqs(vdev);
> out_free_vb:
> @@ -563,7 +534,7 @@ static void virtballoon_remove(struct virtio_device *vdev)
> struct virtio_balloon *vb = vdev->priv;
>
> unregister_oom_notifier(&vb->nb);
> - k...
2018 Jul 27
0
[PATCH v2 2/2] virtio_balloon: replace oom notifier with shrinker
...n_oom_notify;
- vb->nb.priority = VIRTBALLOON_OOM_NOTIFY_PRIORITY;
- err = register_oom_notifier(&vb->nb);
- if (err < 0)
- goto out_del_vqs;
-
#ifdef CONFIG_BALLOON_COMPACTION
balloon_mnt = kern_mount(&balloon_fs);
if (IS_ERR(balloon_mnt)) {
err = PTR_ERR(balloon_mnt);
- unregister_oom_notifier(&vb->nb);
goto out_del_vqs;
}
@@ -599,13 +607,20 @@ static int virtballoon_probe(struct virtio_device *vdev)
if (IS_ERR(vb->vb_dev_info.inode)) {
err = PTR_ERR(vb->vb_dev_info.inode);
kern_unmount(balloon_mnt);
- unregister_oom_notifier(&vb->nb);
vb->vb_d...
2018 Jul 20
0
[PATCH v36 2/5] virtio_balloon: replace oom notifier with shrinker
...n_oom_notify;
- vb->nb.priority = VIRTBALLOON_OOM_NOTIFY_PRIORITY;
- err = register_oom_notifier(&vb->nb);
- if (err < 0)
- goto out_del_vqs;
-
#ifdef CONFIG_BALLOON_COMPACTION
balloon_mnt = kern_mount(&balloon_fs);
if (IS_ERR(balloon_mnt)) {
err = PTR_ERR(balloon_mnt);
- unregister_oom_notifier(&vb->nb);
goto out_del_vqs;
}
@@ -599,12 +614,14 @@ static int virtballoon_probe(struct virtio_device *vdev)
if (IS_ERR(vb->vb_dev_info.inode)) {
err = PTR_ERR(vb->vb_dev_info.inode);
kern_unmount(balloon_mnt);
- unregister_oom_notifier(&vb->nb);
vb->vb_d...
2016 Jan 02
3
[PATCH v4 2/2] virtio_balloon: Use a workqueue instead of "vballoon" kthread
...oing this, we'll be fine,
but if many others copy this pattern, things will
start to break, will they not?
> > > @@ -563,7 +534,7 @@ static void virtballoon_remove(struct virtio_device *vdev)
> > > struct virtio_balloon *vb = vdev->priv;
> > >
> > > unregister_oom_notifier(&vb->nb);
> > > - kthread_stop(vb->thread);
> > > + cancel_work_sync(&vb->wq_work);
> >
> > OK but since job requeues itself, cancelling like this might not be enough.
>
> As long as there's no further external queueing, cancel_work_sync(...
2016 Jan 02
3
[PATCH v4 2/2] virtio_balloon: Use a workqueue instead of "vballoon" kthread
...oing this, we'll be fine,
but if many others copy this pattern, things will
start to break, will they not?
> > > @@ -563,7 +534,7 @@ static void virtballoon_remove(struct virtio_device *vdev)
> > > struct virtio_balloon *vb = vdev->priv;
> > >
> > > unregister_oom_notifier(&vb->nb);
> > > - kthread_stop(vb->thread);
> > > + cancel_work_sync(&vb->wq_work);
> >
> > OK but since job requeues itself, cancelling like this might not be enough.
>
> As long as there's no further external queueing, cancel_work_sync(...
2018 Aug 03
0
[PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker
...n_oom_notify;
- vb->nb.priority = VIRTBALLOON_OOM_NOTIFY_PRIORITY;
- err = register_oom_notifier(&vb->nb);
- if (err < 0)
- goto out_del_vqs;
-
#ifdef CONFIG_BALLOON_COMPACTION
balloon_mnt = kern_mount(&balloon_fs);
if (IS_ERR(balloon_mnt)) {
err = PTR_ERR(balloon_mnt);
- unregister_oom_notifier(&vb->nb);
goto out_del_vqs;
}
@@ -601,13 +603,20 @@ static int virtballoon_probe(struct virtio_device *vdev)
if (IS_ERR(vb->vb_dev_info.inode)) {
err = PTR_ERR(vb->vb_dev_info.inode);
kern_unmount(balloon_mnt);
- unregister_oom_notifier(&vb->nb);
vb->vb_d...
2020 Mar 10
2
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...tio_device_ready(vdev);
>> @@ -1017,8 +1002,11 @@ static int virtballoon_probe(struct virtio_device *vdev)
>> virtballoon_changed(vdev);
>> return 0;
>>
>> +out_unregister_oom:
>> + if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
>> + unregister_oom_notifier(&vb->oom_nb);
>> out_unregister_shrinker:
>> - if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
>> + if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT))
>> virtio_balloon_unregister_shrinker(vb);
>
>
> What's with v...
2020 Mar 10
2
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...tio_device_ready(vdev);
>> @@ -1017,8 +1002,11 @@ static int virtballoon_probe(struct virtio_device *vdev)
>> virtballoon_changed(vdev);
>> return 0;
>>
>> +out_unregister_oom:
>> + if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
>> + unregister_oom_notifier(&vb->oom_nb);
>> out_unregister_shrinker:
>> - if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
>> + if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT))
>> virtio_balloon_unregister_shrinker(vb);
>
>
> What's with v...
2018 Jul 22
2
[PATCH v36 2/5] virtio_balloon: replace oom notifier with shrinker
...OON_OOM_NOTIFY_PRIORITY;
> - err = register_oom_notifier(&vb->nb);
> - if (err < 0)
> - goto out_del_vqs;
> -
> #ifdef CONFIG_BALLOON_COMPACTION
> balloon_mnt = kern_mount(&balloon_fs);
> if (IS_ERR(balloon_mnt)) {
> err = PTR_ERR(balloon_mnt);
> - unregister_oom_notifier(&vb->nb);
> goto out_del_vqs;
> }
>
> @@ -599,12 +614,14 @@ static int virtballoon_probe(struct virtio_device *vdev)
> if (IS_ERR(vb->vb_dev_info.inode)) {
> err = PTR_ERR(vb->vb_dev_info.inode);
> kern_unmount(balloon_mnt);
> - unregister_oom_...
2018 Jul 22
2
[PATCH v36 2/5] virtio_balloon: replace oom notifier with shrinker
...OON_OOM_NOTIFY_PRIORITY;
> - err = register_oom_notifier(&vb->nb);
> - if (err < 0)
> - goto out_del_vqs;
> -
> #ifdef CONFIG_BALLOON_COMPACTION
> balloon_mnt = kern_mount(&balloon_fs);
> if (IS_ERR(balloon_mnt)) {
> err = PTR_ERR(balloon_mnt);
> - unregister_oom_notifier(&vb->nb);
> goto out_del_vqs;
> }
>
> @@ -599,12 +614,14 @@ static int virtballoon_probe(struct virtio_device *vdev)
> if (IS_ERR(vb->vb_dev_info.inode)) {
> err = PTR_ERR(vb->vb_dev_info.inode);
> kern_unmount(balloon_mnt);
> - unregister_oom_...
2018 Jul 30
2
[PATCH v2 2/2] virtio_balloon: replace oom notifier with shrinker
...OON_OOM_NOTIFY_PRIORITY;
> - err = register_oom_notifier(&vb->nb);
> - if (err < 0)
> - goto out_del_vqs;
> -
> #ifdef CONFIG_BALLOON_COMPACTION
> balloon_mnt = kern_mount(&balloon_fs);
> if (IS_ERR(balloon_mnt)) {
> err = PTR_ERR(balloon_mnt);
> - unregister_oom_notifier(&vb->nb);
> goto out_del_vqs;
> }
>
> @@ -599,13 +607,20 @@ static int virtballoon_probe(struct virtio_device *vdev)
> if (IS_ERR(vb->vb_dev_info.inode)) {
> err = PTR_ERR(vb->vb_dev_info.inode);
> kern_unmount(balloon_mnt);
> - unregister_oom_...
2018 Jul 30
2
[PATCH v2 2/2] virtio_balloon: replace oom notifier with shrinker
...OON_OOM_NOTIFY_PRIORITY;
> - err = register_oom_notifier(&vb->nb);
> - if (err < 0)
> - goto out_del_vqs;
> -
> #ifdef CONFIG_BALLOON_COMPACTION
> balloon_mnt = kern_mount(&balloon_fs);
> if (IS_ERR(balloon_mnt)) {
> err = PTR_ERR(balloon_mnt);
> - unregister_oom_notifier(&vb->nb);
> goto out_del_vqs;
> }
>
> @@ -599,13 +607,20 @@ static int virtballoon_probe(struct virtio_device *vdev)
> if (IS_ERR(vb->vb_dev_info.inode)) {
> err = PTR_ERR(vb->vb_dev_info.inode);
> kern_unmount(balloon_mnt);
> - unregister_oom_...
2020 Mar 10
2
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...t_unregister_shrinker;
+ goto out_unregister_oom;
}
virtio_device_ready(vdev);
@@ -1017,8 +1002,11 @@ static int virtballoon_probe(struct virtio_device *vdev)
virtballoon_changed(vdev);
return 0;
+out_unregister_oom:
+ if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
+ unregister_oom_notifier(&vb->oom_nb);
out_unregister_shrinker:
- if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
+ if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT))
virtio_balloon_unregister_shrinker(vb);
out_del_balloon_wq:
if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_F...
2020 Mar 10
2
[PATCH v2] virtio-balloon: Switch back to OOM handler for VIRTIO_BALLOON_F_DEFLATE_ON_OOM
...t_unregister_shrinker;
+ goto out_unregister_oom;
}
virtio_device_ready(vdev);
@@ -1017,8 +1002,11 @@ static int virtballoon_probe(struct virtio_device *vdev)
virtballoon_changed(vdev);
return 0;
+out_unregister_oom:
+ if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
+ unregister_oom_notifier(&vb->oom_nb);
out_unregister_shrinker:
- if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
+ if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT))
virtio_balloon_unregister_shrinker(vb);
out_del_balloon_wq:
if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_F...
2017 Oct 18
2
[PATCH] virtio: avoid possible OOM lockup at virtballoon_oom_notify()
...0);
vb->nb.notifier_call = virtballoon_oom_notify;
vb->nb.priority = VIRTBALLOON_OOM_NOTIFY_PRIORITY;
err = register_oom_notifier(&vb->nb);
@@ -564,6 +586,7 @@ static int virtballoon_probe(struct virtio_device *vdev)
if (IS_ERR(balloon_mnt)) {
err = PTR_ERR(balloon_mnt);
unregister_oom_notifier(&vb->nb);
+ del_timer_sync(&vb->deflate_on_oom_timer);
goto out_del_vqs;
}
@@ -573,6 +596,7 @@ static int virtballoon_probe(struct virtio_device *vdev)
err = PTR_ERR(vb->vb_dev_info.inode);
kern_unmount(balloon_mnt);
unregister_oom_notifier(&vb->nb);
+ de...
2017 Oct 18
2
[PATCH] virtio: avoid possible OOM lockup at virtballoon_oom_notify()
...0);
vb->nb.notifier_call = virtballoon_oom_notify;
vb->nb.priority = VIRTBALLOON_OOM_NOTIFY_PRIORITY;
err = register_oom_notifier(&vb->nb);
@@ -564,6 +586,7 @@ static int virtballoon_probe(struct virtio_device *vdev)
if (IS_ERR(balloon_mnt)) {
err = PTR_ERR(balloon_mnt);
unregister_oom_notifier(&vb->nb);
+ del_timer_sync(&vb->deflate_on_oom_timer);
goto out_del_vqs;
}
@@ -573,6 +596,7 @@ static int virtballoon_probe(struct virtio_device *vdev)
err = PTR_ERR(vb->vb_dev_info.inode);
kern_unmount(balloon_mnt);
unregister_oom_notifier(&vb->nb);
+ de...