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Changes to mm/balloon_compaction.c can easily break virtio, and virtio is the only user of that interface. Add a line to MAINTAINERS so whoever changes that file remembers to copy us. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index f66488d..6b1d60e 100644 --- a/MAINTAINERS +++

Changes to mm/balloon_compaction.c can easily break virtio, and virtio is the only user of that interface. Add a line to MAINTAINERS so whoever changes that file remembers to copy us. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index f66488d..6b1d60e 100644 --- a/MAINTAINERS +++

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (4): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: introduce putback_movable_pages() mm: add vm event counters for balloon pages compaction drivers/virtio/virtio_balloon.c | 139 +++++++++++++++++++++++...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (4): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: introduce putback_movable_pages() mm: add vm event counters for balloon pages compaction drivers/virtio/virtio_balloon.c | 139 +++++++++++++++++++++++...

...ection: "Ballooning for transparent huge pages" -- http://lwn.net/Articles/490114/ to introduce the required changes to the virtio_balloon driver, as well as changes to the core compaction & migration bits, in order to allow memory balloon pages become movable within a guest. Rafael Aquini (4): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: handle concurrent accesses to virtio_balloon struct elements virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/vir...

...ection: "Ballooning for transparent huge pages" -- http://lwn.net/Articles/490114/ to introduce the required changes to the virtio_balloon driver, as well as changes to the core compaction & migration bits, in order to allow memory balloon pages become movable within a guest. Rafael Aquini (4): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: handle concurrent accesses to virtio_balloon struct elements virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/vir...

...ection: "Ballooning for transparent huge pages" -- http://lwn.net/Articles/490114/ to introduce the required changes to the virtio_balloon driver, as well as changes to the core compaction & migration bits, in order to allow memory balloon pages become movable within a guest. Rafael Aquini (4): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: handle concurrent accesses to virtio_balloon struct elements virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/vir...

...ection: "Ballooning for transparent huge pages" -- http://lwn.net/Articles/490114/ to introduce the required changes to the virtio_balloon driver, as well as changes to the core compaction & migration bits, in order to allow memory balloon pages become movable within a guest. Rafael Aquini (4): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: handle concurrent accesses to virtio_balloon struct elements virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/vir...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (3): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/virtio_balloon.c | 139 +++++++++++++++++++++++++++++++++++++--- include/linux/mm.h...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (3): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/virtio_balloon.c | 139 +++++++++++++++++++++++++++++++++++++--- include/linux/mm.h...

...I don't for now :) [...] > Cc: Rik van Riel <riel at redhat.com> > Cc: Vlastimil Babka <vbabka at suse.cz> > Cc: Joonsoo Kim <iamjoonsoo.kim at lge.com> > Cc: Mel Gorman <mgorman at suse.de> > Cc: Hugh Dickins <hughd at google.com> > Cc: Rafael Aquini <aquini at redhat.com> > Cc: virtualization at lists.linux-foundation.org > Cc: Jonathan Corbet <corbet at lwn.net> > Cc: John Einar Reitan <john.reitan at foss.arm.com> > Cc: dri-devel at lists.freedesktop.org > Cc: Sergey Senozhatsky <sergey.senozhatsky at gmai...

...I don't for now :) [...] > Cc: Rik van Riel <riel at redhat.com> > Cc: Vlastimil Babka <vbabka at suse.cz> > Cc: Joonsoo Kim <iamjoonsoo.kim at lge.com> > Cc: Mel Gorman <mgorman at suse.de> > Cc: Hugh Dickins <hughd at google.com> > Cc: Rafael Aquini <aquini at redhat.com> > Cc: virtualization at lists.linux-foundation.org > Cc: Jonathan Corbet <corbet at lwn.net> > Cc: John Einar Reitan <john.reitan at foss.arm.com> > Cc: dri-devel at lists.freedesktop.org > Cc: Sergey Senozhatsky <sergey.senozhatsky at gmai...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (5): mm: introduce a common interface for balloon pages mobility mm: introduce compaction and migration for ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: introduce putback_movable_pages() mm: add vm event counters for balloon pages compaction driver...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (5): mm: introduce a common interface for balloon pages mobility mm: introduce compaction and migration for ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: introduce putback_movable_pages() mm: add vm event counters for balloon pages compaction driver...

.../13/2015 10:35 AM, Gioh Kim wrote: > From: Gioh Kim <gurugio at hanmail.net> > > Migration is completely generalized so that migrating mobile page > is processed with lru-pages in move_to_new_page. > > Signed-off-by: Gioh Kim <gioh.kim at lge.com> > Acked-by: Rafael Aquini <aquini at redhat.com> Why not just fold this to Patch 3? You already modify this hunk there, and prior to patch 3, the hunk was balloon-pages specific. You made it look generic only to remove it, which is unneeded code churn and I don't think it adds anything wrt e.g. bisectability....

.../13/2015 10:35 AM, Gioh Kim wrote: > From: Gioh Kim <gurugio at hanmail.net> > > Migration is completely generalized so that migrating mobile page > is processed with lru-pages in move_to_new_page. > > Signed-off-by: Gioh Kim <gioh.kim at lge.com> > Acked-by: Rafael Aquini <aquini at redhat.com> Why not just fold this to Patch 3? You already modify this hunk there, and prior to patch 3, the hunk was balloon-pages specific. You made it look generic only to remove it, which is unneeded code churn and I don't think it adds anything wrt e.g. bisectability....

...20 17 Compaction stalls 747 499 Compaction success 244 145 Compaction failures 503 354 Compaction pages moved 370888 474837 Compaction move failure 77378 65259 ===END stress-highalloc Rafael Aquini (7): mm: adjust address_space_operations.migratepage() return code mm: redefine address_space.assoc_mapping mm: introduce a common interface for balloon pages mobility mm: introduce compaction and migration for ballooned pages virtio_balloon: introduce migration primitives to balloon page...

...20 17 Compaction stalls 747 499 Compaction success 244 145 Compaction failures 503 354 Compaction pages moved 370888 474837 Compaction move failure 77378 65259 ===END stress-highalloc Rafael Aquini (7): mm: adjust address_space_operations.migratepage() return code mm: redefine address_space.assoc_mapping mm: introduce a common interface for balloon pages mobility mm: introduce compaction and migration for ballooned pages virtio_balloon: introduce migration primitives to balloon page...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (3): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/virtio_balloon.c | 139 +++++++++++++++++++++++++++++++++++++--- include/linux/mm.h...

...he required changes to the virtio_balloon driver, as well as the changes to the core compaction & migration bits, in order to make those subsystems aware of ballooned pages and allow memory balloon pages become movable within a guest, thus avoiding the aforementioned fragmentation issue Rafael Aquini (3): mm: introduce compaction and migration for virtio ballooned pages virtio_balloon: introduce migration primitives to balloon pages mm: add vm event counters for balloon pages compaction drivers/virtio/virtio_balloon.c | 139 +++++++++++++++++++++++++++++++++++++--- include/linux/mm.h...