search for: balloon_aops

...nfo_init(&vb->vb_dev_info); > #ifdef CONFIG_BALLOON_COMPACTION > vb->vb_dev_info.migratepage = virtballoon_migratepage; > + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, > + &balloon_aops); > #endif > > err = init_vqs(vb); > diff --git a/fs/proc/page.c b/fs/proc/page.c > index 7eee2d8..e741307 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -143,8 +143,8 @@ u64 stable_page_flags(struct page *page) > if (PageBuddy(page)) >...

...nfo_init(&vb->vb_dev_info); > #ifdef CONFIG_BALLOON_COMPACTION > vb->vb_dev_info.migratepage = virtballoon_migratepage; > + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, > + &balloon_aops); > #endif > > err = init_vqs(vb); > diff --git a/fs/proc/page.c b/fs/proc/page.c > index 7eee2d8..e741307 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -143,8 +143,8 @@ u64 stable_page_flags(struct page *page) > if (PageBuddy(page)) >...

...c int virtballoon_probe(struct virtio_device *vdev) balloon_devinfo_init(&vb->vb_dev_info); #ifdef CONFIG_BALLOON_COMPACTION vb->vb_dev_info.migratepage = virtballoon_migratepage; + vb->vb_dev_info.inode = anon_inode_new(); + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; + mapping_set_migratable(vb->vb_dev_info.inode->i_mapping); #endif err = init_vqs(vb); diff --git a/fs/proc/page.c b/fs/proc/page.c index 7eee2d8..2dc3673 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -146,6 +146,9 @@ u64 stable_page_flags(struct page *page) if (PageBalloon(page...

...alloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -486,6 +486,8 @@ static int virtballoon_probe(struct virtio_device *vdev) balloon_devinfo_init(&vb->vb_dev_info); #ifdef CONFIG_BALLOON_COMPACTION + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, + &balloon_aops); vb->vb_dev_info.migratepage = virtballoon_migratepage; #endif diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h index 9b0a15d..0af32b3 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon_compaction.h @@ -62,6 +62,7 @@ struct ballo...

...alloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -486,6 +486,8 @@ static int virtballoon_probe(struct virtio_device *vdev) balloon_devinfo_init(&vb->vb_dev_info); #ifdef CONFIG_BALLOON_COMPACTION + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, + &balloon_aops); vb->vb_dev_info.migratepage = virtballoon_migratepage; #endif diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h index 9b0a15d..0af32b3 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon_compaction.h @@ -62,6 +62,7 @@ struct ballo...

...c int virtballoon_probe(struct virtio_device *vdev) balloon_devinfo_init(&vb->vb_dev_info); #ifdef CONFIG_BALLOON_COMPACTION vb->vb_dev_info.migratepage = virtballoon_migratepage; + vb->vb_dev_info.inode = anon_inode_new(); + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; #endif err = init_vqs(vb); diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h index 9b0a15d..a9e0bde 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon_compaction.h @@ -48,6 +48,7 @@ #include <linux/migrate.h> #include <lin...

...truct virtio_device *vdev) > balloon_devinfo_init(&vb->vb_dev_info); > #ifdef CONFIG_BALLOON_COMPACTION > vb->vb_dev_info.migratepage = virtballoon_migratepage; > + vb->vb_dev_info.inode = anon_inode_new(); > + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; > #endif > > err = init_vqs(vb); > diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h > index 9b0a15d..a9e0bde 100644 > --- a/include/linux/balloon_compaction.h > +++ b/include/linux/balloon_compaction.h > @@ -48,6 +48,7 @@ > #incl...

...496,8 @@ static int virtballoon_probe(struct virtio_device *vdev) balloon_devinfo_init(&vb->vb_dev_info); #ifdef CONFIG_BALLOON_COMPACTION vb->vb_dev_info.migratepage = virtballoon_migratepage; + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, + &balloon_aops); #endif err = init_vqs(vb); diff --git a/fs/proc/page.c b/fs/proc/page.c index 7eee2d8..e741307 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -143,8 +143,8 @@ u64 stable_page_flags(struct page *page) if (PageBuddy(page)) u |= 1 << KPF_BUDDY; - if (PageBalloon(page)) - u |=...

...truct virtio_device *vdev) > balloon_devinfo_init(&vb->vb_dev_info); > #ifdef CONFIG_BALLOON_COMPACTION > vb->vb_dev_info.migratepage = virtballoon_migratepage; > + vb->vb_dev_info.inode = anon_inode_new(); > + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; > #endif > > err = init_vqs(vb); > diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h > index 9b0a15d..a9e0bde 100644 > --- a/include/linux/balloon_compaction.h > +++ b/include/linux/balloon_compaction.h > @@ -48,6 +48,7 @@ > #incl...

...gt;vb_dev_info); >> #ifdef CONFIG_BALLOON_COMPACTION >> vb->vb_dev_info.migratepage = virtballoon_migratepage; >> + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, >> + &balloon_aops); >> #endif >> >> err = init_vqs(vb); >> diff --git a/fs/proc/page.c b/fs/proc/page.c >> index 7eee2d8..e741307 100644 >> --- a/fs/proc/page.c >> +++ b/fs/proc/page.c >> @@ -143,8 +143,8 @@ u64 stable_page_flags(struct page *page) >>...

...virtio_balloon.c > @@ -486,6 +486,8 @@ static int virtballoon_probe(struct virtio_device *vdev) > > balloon_devinfo_init(&vb->vb_dev_info); > #ifdef CONFIG_BALLOON_COMPACTION > + vb->vb_dev_info.mapping = balloon_mapping_alloc(&vb->vb_dev_info, > + &balloon_aops); > vb->vb_dev_info.migratepage = virtballoon_migratepage; > #endif > > diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h > index 9b0a15d..0af32b3 100644 > --- a/include/linux/balloon_compaction.h > +++ b/include/linux/balloon_compacti...

...oon_mnt->mnt_sb); + if (IS_ERR(vb->vb_dev_info.inode)) { + err = PTR_ERR(vb->vb_dev_info.inode); + kern_unmount(balloon_mnt); + unregister_oom_notifier(&vb->nb); + vb->vb_dev_info.inode = NULL; + goto out_del_vqs; + } + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; +#endif virtio_device_ready(vdev); return 0; -out_oom_notify: +out_del_vqs: vdev->config->del_vqs(vdev); out_free_vb: kfree(vb); @@ -567,6 +607,8 @@ static void virtballoon_remove(struct virtio_device *vdev) cancel_work_sync(&vb->update_balloon_stats_work); remove...

...oon_mnt->mnt_sb); + if (IS_ERR(vb->vb_dev_info.inode)) { + err = PTR_ERR(vb->vb_dev_info.inode); + kern_unmount(balloon_mnt); + unregister_oom_notifier(&vb->nb); + vb->vb_dev_info.inode = NULL; + goto out_del_vqs; + } + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; +#endif virtio_device_ready(vdev); return 0; -out_oom_notify: +out_del_vqs: vdev->config->del_vqs(vdev); out_free_vb: kfree(vb); @@ -571,6 +611,8 @@ static void virtballoon_remove(struct virtio_device *vdev) cancel_work_sync(&vb->update_balloon_stats_work); remove...

...if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM)) > > > + return 0; > > So why not skip notifier registration when deflate on oom > > is clear? > > Sounds good, thanks. > > > > vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; > > #endif > > + err = virtio_balloon_register_shrinker(vb); > > + if (err) > > + goto out_del_vqs; > > So we can get scans before device is ready. Leak will fail > > then. Why not register later after device is ready? > > Probably no. > > - it...

Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for zram. I found that many pages of GPU driver

Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for zram. I found that many pages of GPU driver

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for

...oon_mnt->mnt_sb); + if (IS_ERR(vb->vb_dev_info.inode)) { + err = PTR_ERR(vb->vb_dev_info.inode); + kern_unmount(balloon_mnt); + unregister_oom_notifier(&vb->nb); + vb->vb_dev_info.inode = NULL; + goto out_del_vqs; + } + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; +#endif virtio_device_ready(vdev); return 0; -out_oom_notify: +out_del_vqs: vdev->config->del_vqs(vdev); out_free_vb: kfree(vb); @@ -567,6 +606,8 @@ static void virtballoon_remove(struct virtio_device *vdev) cancel_work_sync(&vb->update_balloon_stats_work); remove_c...

...b->vb_dev_info.inode)) { > err = PTR_ERR(vb->vb_dev_info.inode); > kern_unmount(balloon_mnt); > - unregister_oom_notifier(&vb->nb); > vb->vb_dev_info.inode = NULL; > goto out_del_vqs; > } > vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops; > #endif > + err = virtio_balloon_register_shrinker(vb); > + if (err) > + goto out_del_vqs; > So we can get scans before device is ready. Leak will fail then. Why not register later after device is ready? > virtio_device_ready(vdev); > > @@ -637,7 +654,7 @@ static...