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...ifier is getting deprecated to use for the reasons: > - As a callout from the oom context, it is too subtle and easy to > generate bugs and corner cases which are hard to track; > - It is called too late (after the reclaiming has been performed). > Drivers with large amuont of reclaimable memory is expected to be > released them at an early age of memory pressure; > - The notifier callback isn't aware of the oom contrains; > Link: https://lkml.org/lkml/2018/7/12/314 > > This patch replaces the virtio-balloon oom notifier with a sh...

...ifier is getting deprecated to use for the reasons: > - As a callout from the oom context, it is too subtle and easy to > generate bugs and corner cases which are hard to track; > - It is called too late (after the reclaiming has been performed). > Drivers with large amuont of reclaimable memory is expected to be > released them at an early age of memory pressure; > - The notifier callback isn't aware of the oom contrains; > Link: https://lkml.org/lkml/2018/7/12/314 > > This patch replaces the virtio-balloon oom notifier with a sh...

...easons: > > > - As a callout from the oom context, it is too subtle and easy to > > > generate bugs and corner cases which are hard to track; > > > - It is called too late (after the reclaiming has been performed). > > > Drivers with large amuont of reclaimable memory is expected to be > > > released them at an early age of memory pressure; > > > - The notifier callback isn't aware of the oom contrains; > > > Link: https://lkml.org/lkml/2018/7/12/314 > > > > > > This pa...

On Fri 27-07-18 17:24:55, Wei Wang wrote: > The OOM notifier is getting deprecated to use for the reasons mentioned > here by Michal Hocko: https://lkml.org/lkml/2018/7/12/314 > > This patch replaces the virtio-balloon oom notifier with a shrinker > to release balloon pages on memory pressure. It would be great to document the replacement. This is not a small change... > In

On Fri 27-07-18 17:24:55, Wei Wang wrote: > The OOM notifier is getting deprecated to use for the reasons mentioned > here by Michal Hocko: https://lkml.org/lkml/2018/7/12/314 > > This patch replaces the virtio-balloon oom notifier with a shrinker > to release balloon pages on memory pressure. It would be great to document the replacement. This is not a small change... > In

...> The OOM notifier is getting deprecated to use for the reasons: > - As a callout from the oom context, it is too subtle and easy to > generate bugs and corner cases which are hard to track; > - It is called too late (after the reclaiming has been performed). > Drivers with large amuont of reclaimable memory is expected to > release them at an early stage of memory pressure; > - The notifier callback isn't aware of oom contrains; > Link: https://lkml.org/lkml/2018/7/12/314 > > This patch replaces the virtio-balloon oom notifier with a shrinker > to release...

...The OOM notifier is getting deprecated to use for the reasons: - As a callout from the oom context, it is too subtle and easy to generate bugs and corner cases which are hard to track; - It is called too late (after the reclaiming has been performed). Drivers with large amuont of reclaimable memory is expected to be released them at an early age of memory pressure; - The notifier callback isn't aware of the oom contrains; Link: https://lkml.org/lkml/2018/7/12/314 This patch replaces the virtio-balloon oom notifier with a shrinker to releas...

...recated to use for the reasons: >> - As a callout from the oom context, it is too subtle and easy to >> generate bugs and corner cases which are hard to track; >> - It is called too late (after the reclaiming has been performed). >> Drivers with large amuont of reclaimable memory is expected to be >> released them at an early age of memory pressure; >> - The notifier callback isn't aware of the oom contrains; >> Link: https://lkml.org/lkml/2018/7/12/314 >> >> This patch replaces the virtio-balloon...

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()

The OOM notifier is getting deprecated to use for the reasons: - As a callout from the oom context, it is too subtle and easy to generate bugs and corner cases which are hard to track; - It is called too late (after the reclaiming has been performed). Drivers with large amuont of reclaimable memory is expected to release them at an early stage of memory pressure; - The notifier callback isn't aware of oom contrains; Link: https://lkml.org/lkml/2018/7/12/314 This patch replaces the virtio-balloon oom notifier with a shrinker to release balloon pages on memory press...