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...y the allocation that forced the out of memory killer to run. Patch 1 of this series adds support for implementation of virtio_balloon callback, so now leak_balloon() function returns number of freed pages. Patch 2 implements virtio_balloon callback itself. Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.au> CC: Michael S. Tsirkin <mst at redhat.com> CC: virtualization at lists.linux-foundation.org

...y the allocation that forced the out of memory killer to run. Patch 1 of this series adds support for implementation of virtio_balloon callback, so now leak_balloon() function returns number of freed pages. Patch 2 implements virtio_balloon callback itself. Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.au> CC: Michael S. Tsirkin <mst at redhat.com> CC: virtualization at lists.linux-foundation.org

...back, so now leak_balloon() function returns number of freed pages. Patch 2 implements virtio_balloon callback itself. Changes from v2: - added feature bit to control OOM baloon behavior from host Changes from v1: - minor cosmetic tweaks suggested by rusty@ Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.au> CC: Michael S. Tsirkin <mst at redhat.com>

...back, so now leak_balloon() function returns number of freed pages. Patch 2 implements virtio_balloon callback itself. Changes from v2: - added feature bit to control OOM baloon behavior from host Changes from v1: - minor cosmetic tweaks suggested by rusty@ Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.au> CC: Michael S. Tsirkin <mst at redhat.com>

...Patch 1 of this series adds support for implementation of virtio_balloon callback, so now leak_balloon() function returns number of freed pages. Patch 2 implements virtio_balloon callback itself. Changes from v1: - minor cosmetic tweaks suggested by rusty@ Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.au> CC: Michael S. Tsirkin <mst at redhat.com>

...Patch 1 of this series adds support for implementation of virtio_balloon callback, so now leak_balloon() function returns number of freed pages. Patch 2 implements virtio_balloon callback itself. Changes from v1: - minor cosmetic tweaks suggested by rusty@ Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.au> CC: Michael S. Tsirkin <mst at redhat.com>

From: Raushaniya Maksudova <rmaksudova at parallels.com> Excessive virtio_balloon inflation can cause invocation of OOM-killer, when Linux is under severe memory pressure. Various mechanisms are responsible for correct virtio_balloon memory management. Nevertheless it is often the case that these control tools does not have enough t...

From: Raushaniya Maksudova <rmaksudova at parallels.com> Excessive virtio_balloon inflation can cause invocation of OOM-killer, when Linux is under severe memory pressure. Various mechanisms are responsible for correct virtio_balloon memory management. Nevertheless it is often the case that these control tools does not have enough t...

On Mon, Oct 13, 2014 at 04:02:52PM +1030, Rusty Russell wrote: > "Denis V. Lunev" <den at parallels.com> writes: > > From: Raushaniya Maksudova <rmaksudova at parallels.com> > > > > Excessive virtio_balloon inflation can cause invocation of OOM-killer, > > when Linux is under severe memory pressure. Various mechanisms are > > responsible for correct virtio_balloon memory management. Nevertheless > > it is often the cas...

On Mon, Oct 13, 2014 at 04:02:52PM +1030, Rusty Russell wrote: > "Denis V. Lunev" <den at parallels.com> writes: > > From: Raushaniya Maksudova <rmaksudova at parallels.com> > > > > Excessive virtio_balloon inflation can cause invocation of OOM-killer, > > when Linux is under severe memory pressure. Various mechanisms are > > responsible for correct virtio_balloon memory management. Nevertheless > > it is often the cas...

From: Raushaniya Maksudova <rmaksudova at parallels.com> This value would be useful in the next patch to provide the amount of the freed memory for OOM killer. Signed-off-by: Raushaniya Maksudova <rmaksudova at parallels.com> Signed-off-by: Denis V. Lunev <den at openvz.org> CC: Rusty Russell <rusty at rustcorp.com.a...

..., Rusty Russell wrote: > "Michael S. Tsirkin" <mst at redhat.com> writes: > > > On Mon, Oct 13, 2014 at 04:02:52PM +1030, Rusty Russell wrote: > >> "Denis V. Lunev" <den at parallels.com> writes: > >> > From: Raushaniya Maksudova <rmaksudova at parallels.com> > >> > > >> > Excessive virtio_balloon inflation can cause invocation of OOM-killer, > >> > when Linux is under severe memory pressure. Various mechanisms are > >> > responsible for correct virtio_balloon memory management. Nevert...

..., Rusty Russell wrote: > "Michael S. Tsirkin" <mst at redhat.com> writes: > > > On Mon, Oct 13, 2014 at 04:02:52PM +1030, Rusty Russell wrote: > >> "Denis V. Lunev" <den at parallels.com> writes: > >> > From: Raushaniya Maksudova <rmaksudova at parallels.com> > >> > > >> > Excessive virtio_balloon inflation can cause invocation of OOM-killer, > >> > when Linux is under severe memory pressure. Various mechanisms are > >> > responsible for correct virtio_balloon memory management. Nevert...

From: Raushaniya Maksudova <rmaksudova at parallels.com> Excessive virtio_balloon inflation can cause invocation of OOM-killer, when Linux is under severe memory pressure. Various mechanisms are responsible for correct virtio_balloon memory management. Nevertheless it is often the case that these control tools does not have enough t...

From: Raushaniya Maksudova <rmaksudova at parallels.com> Excessive virtio_balloon inflation can cause invocation of OOM-killer, when Linux is under severe memory pressure. Various mechanisms are responsible for correct virtio_balloon memory management. Nevertheless it is often the case that these control tools does not have enough t...

"Denis V. Lunev" <den at parallels.com> writes: > From: Raushaniya Maksudova <rmaksudova at parallels.com> > > Excessive virtio_balloon inflation can cause invocation of OOM-killer, > when Linux is under severe memory pressure. Various mechanisms are > responsible for correct virtio_balloon memory management. Nevertheless > it is often the case that these control tool...

"Michael S. Tsirkin" <mst at redhat.com> writes: > On Mon, Oct 13, 2014 at 04:02:52PM +1030, Rusty Russell wrote: >> "Denis V. Lunev" <den at parallels.com> writes: >> > From: Raushaniya Maksudova <rmaksudova at parallels.com> >> > >> > Excessive virtio_balloon inflation can cause invocation of OOM-killer, >> > when Linux is under severe memory pressure. Various mechanisms are >> > responsible for correct virtio_balloon memory management. Nevertheless >> >...