search for: 7e5d84caeb94

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

...i <liang.z.li at intel.com> Signed-off-by: David Hildenbrand <david at redhat.com> --- drivers/virtio/virtio_balloon.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index abef2306c899..7e5d84caeb94 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -901,8 +901,7 @@ static int virtballoon_probe(struct virtio_device *vdev) vb->vb_dev_info.inode = alloc_anon_inode(balloon_mnt->mnt_sb); if (IS_ERR(vb->vb_dev_info.inode)) { err = PTR_ERR(vb->vb...

...ff-by: David Hildenbrand <david at redhat.com> > --- > drivers/virtio/virtio_balloon.c | 107 +++++++++++++------------------- > 1 file changed, 44 insertions(+), 63 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c > b/drivers/virtio/virtio_balloon.c > index 7e5d84caeb94..e7b18f556c5e 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -14,6 +14,7 @@ > #include <linux/slab.h> > #include <linux/module.h> > #include <linux/balloon_compaction.h> > +#include <linux/oom.h> > #inc...

...ff-by: David Hildenbrand <david at redhat.com> > --- > drivers/virtio/virtio_balloon.c | 107 +++++++++++++------------------- > 1 file changed, 44 insertions(+), 63 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c > b/drivers/virtio/virtio_balloon.c > index 7e5d84caeb94..e7b18f556c5e 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -14,6 +14,7 @@ > #include <linux/slab.h> > #include <linux/module.h> > #include <linux/balloon_compaction.h> > +#include <linux/oom.h> > #inc...

...;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 deletions(-) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 7e5d84caeb94..e7b18f556c5e 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/balloon_compaction.h> +#include <linux/oom.h> #include <linux/wait.h> #include <...

...rand <david at redhat.com> >> --- >> drivers/virtio/virtio_balloon.c | 107 +++++++++++++------------------- >> 1 file changed, 44 insertions(+), 63 deletions(-) >> >> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c >> index 7e5d84caeb94..e7b18f556c5e 100644 >> --- a/drivers/virtio/virtio_balloon.c >> +++ b/drivers/virtio/virtio_balloon.c >> @@ -14,6 +14,7 @@ >> #include <linux/slab.h> >> #include <linux/module.h> >> #include <linux/balloon_compaction.h> >> +#include &l...

...and hypervisors will be able to rely on OOM behaviour. > --- > drivers/virtio/virtio_balloon.c | 107 +++++++++++++------------------- > 1 file changed, 44 insertions(+), 63 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index 7e5d84caeb94..e7b18f556c5e 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -14,6 +14,7 @@ > #include <linux/slab.h> > #include <linux/module.h> > #include <linux/balloon_compaction.h> > +#include <linux/oom.h> > #inc...

...ed-off-by: David Hildenbrand <david at redhat.com> > --- > drivers/virtio/virtio_balloon.c | 107 +++++++++++++------------------- > 1 file changed, 44 insertions(+), 63 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index 7e5d84caeb94..e7b18f556c5e 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -14,6 +14,7 @@ > #include <linux/slab.h> > #include <linux/module.h> > #include <linux/balloon_compaction.h> > +#include <linux/oom.h> > #inc...

...ed-off-by: David Hildenbrand <david at redhat.com> > --- > drivers/virtio/virtio_balloon.c | 107 +++++++++++++------------------- > 1 file changed, 44 insertions(+), 63 deletions(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index 7e5d84caeb94..e7b18f556c5e 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -14,6 +14,7 @@ > #include <linux/slab.h> > #include <linux/module.h> > #include <linux/balloon_compaction.h> > +#include <linux/oom.h> > #inc...