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...gt; Acked-by: Michal Hocko <mhocko at kernel.org> > --- > include/linux/mm.h | 6 ++++ > mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 97 insertions(+) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index ea818ff..b3077dd 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, > unsigned long zone_start_pfn, unsigned long *zholes_size); > extern void free_initmem(void); > > +extern v...

...gt; Acked-by: Michal Hocko <mhocko at kernel.org> > --- > include/linux/mm.h | 6 ++++ > mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 97 insertions(+) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index ea818ff..b3077dd 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, > unsigned long zone_start_pfn, unsigned long *zholes_size); > extern void free_initmem(void); > > +extern v...

...- > > > include/linux/mm.h | 6 ++++ > > > mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > 2 files changed, 97 insertions(+) > > > > > > diff --git a/include/linux/mm.h b/include/linux/mm.h > > > index ea818ff..b3077dd 100644 > > > --- a/include/linux/mm.h > > > +++ b/include/linux/mm.h > > > @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, > > > unsigned long zone_start_pfn, unsigned long *zholes_size); > > > e...

...- > > > include/linux/mm.h | 6 ++++ > > > mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > 2 files changed, 97 insertions(+) > > > > > > diff --git a/include/linux/mm.h b/include/linux/mm.h > > > index ea818ff..b3077dd 100644 > > > --- a/include/linux/mm.h > > > +++ b/include/linux/mm.h > > > @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, > > > unsigned long zone_start_pfn, unsigned long *zholes_size); > > > e...

...S. Tsirkin <mst at redhat.com> Acked-by: Michal Hocko <mhocko at kernel.org> --- include/linux/mm.h | 6 ++++ mm/page_alloc.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 102 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index ea818ff..e65ae2e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, unsigned long zone_start_pfn, unsigned long *zholes_size); extern void free_initmem(void); +extern int walk_free_mem_block(void *opaque...

...S. Tsirkin <mst at redhat.com> Acked-by: Michal Hocko <mhocko at kernel.org> --- include/linux/mm.h | 6 ++++ mm/page_alloc.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 102 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index ea818ff..e65ae2e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, unsigned long zone_start_pfn, unsigned long *zholes_size); extern void free_initmem(void); +extern int walk_free_mem_block(void *opaque...

...l S. Tsirkin <mst at redhat.com> Acked-by: Michal Hocko <mhocko at kernel.org> --- include/linux/mm.h | 6 ++++ mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 97 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index ea818ff..b3077dd 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, unsigned long zone_start_pfn, unsigned long *zholes_size); extern void free_initmem(void); +extern void walk_free_mem_block(void *opaqu...

...S. Tsirkin <mst at redhat.com> Acked-by: Michal Hocko <mhocko at kernel.org> --- include/linux/mm.h | 6 ++++ mm/page_alloc.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 102 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index ea818ff..e65ae2e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, unsigned long zone_start_pfn, unsigned long *zholes_size); extern void free_initmem(void); +extern int walk_free_mem_block(void *opaque...

...e/linux/mm.h | 6 ++++ > > > > mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > > 2 files changed, 97 insertions(+) > > > > > > > > diff --git a/include/linux/mm.h b/include/linux/mm.h > > > > index ea818ff..b3077dd 100644 > > > > --- a/include/linux/mm.h > > > > +++ b/include/linux/mm.h > > > > @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, > > > > unsigned long zone_start_pfn, unsigned long *zholes_size)...

...l.org> > > --- > > include/linux/mm.h | 6 ++++ > > mm/page_alloc.c | 91 > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > 2 files changed, 97 insertions(+) > > > > diff --git a/include/linux/mm.h b/include/linux/mm.h > > index ea818ff..b3077dd 100644 > > --- a/include/linux/mm.h > > +++ b/include/linux/mm.h > > @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned > > long * zones_size, > > unsigned long zone_start_pfn, unsigned long *zholes_size); > > extern void free_i...

...;mhocko at kernel.org> >> --- >> include/linux/mm.h | 6 ++++ >> mm/page_alloc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> 2 files changed, 97 insertions(+) >> >> diff --git a/include/linux/mm.h b/include/linux/mm.h >> index ea818ff..b3077dd 100644 >> --- a/include/linux/mm.h >> +++ b/include/linux/mm.h >> @@ -1938,6 +1938,12 @@ extern void free_area_init_node(int nid, unsigned long * zones_size, >> unsigned long zone_start_pfn, unsigned long *zholes_size); >> extern void free_initmem(void);...

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_VQ, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's memory

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_VQ, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's memory

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_VQ, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's memory

This patch series enhances the existing virtio-balloon with the following new features: 1) fast ballooning: transfer ballooned pages between the guest and host in chunks using sgs, instead of one array each time; and 2) free page block reporting: a new virtqueue to report guest free pages to the host. The second feature can be used to accelerate live migration of VMs. Here are some details: Live

This patch series enhances the existing virtio-balloon with the following new features: 1) fast ballooning: transfer ballooned pages between the guest and host in chunks using sgs, instead of one array each time; and 2) free page block reporting: a new virtqueue to report guest free pages to the host. The second feature can be used to accelerate live migration of VMs. Here are some details: Live