search for: virtio_balloon_cmdq_hdr

...ent updating balloon when it is being canceled. */ > spinlock_t stop_update_lock; > @@ -90,6 +91,12 @@ struct virtio_balloon { > /* Memory statistics */ > struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR]; > > + /* Cmdq msg buffer for memory statistics */ > + struct virtio_balloon_cmdq_hdr cmdq_stats_hdr; > + > + /* Cmdq msg buffer for reporting ununsed pages */ > + struct virtio_balloon_cmdq_hdr cmdq_unused_page_hdr; > + > /* To register callback in oom notifier call chain */ > struct notifier_block nb; > }; > @@ -485,25 +492,214 @@ static void update_ba...

...ent updating balloon when it is being canceled. */ > spinlock_t stop_update_lock; > @@ -90,6 +91,12 @@ struct virtio_balloon { > /* Memory statistics */ > struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR]; > > + /* Cmdq msg buffer for memory statistics */ > + struct virtio_balloon_cmdq_hdr cmdq_stats_hdr; > + > + /* Cmdq msg buffer for reporting ununsed pages */ > + struct virtio_balloon_cmdq_hdr cmdq_unused_page_hdr; > + > /* To register callback in oom notifier call chain */ > struct notifier_block nb; > }; > @@ -485,25 +492,214 @@ static void update_ba...

...being canceled. */ >> spinlock_t stop_update_lock; >> @@ -90,6 +91,12 @@ struct virtio_balloon { >> /* Memory statistics */ >> struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR]; >> >> + /* Cmdq msg buffer for memory statistics */ >> + struct virtio_balloon_cmdq_hdr cmdq_stats_hdr; >> + >> + /* Cmdq msg buffer for reporting ununsed pages */ >> + struct virtio_balloon_cmdq_hdr cmdq_unused_page_hdr; >> + >> /* To register callback in oom notifier call chain */ >> struct notifier_block nb; >> }; >> @@ -485,2...

...truct cmdq_handle_work; /* Prevent updating balloon when it is being canceled. */ spinlock_t stop_update_lock; @@ -90,6 +91,12 @@ struct virtio_balloon { /* Memory statistics */ struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR]; + /* Cmdq msg buffer for memory statistics */ + struct virtio_balloon_cmdq_hdr cmdq_stats_hdr; + + /* Cmdq msg buffer for reporting ununsed pages */ + struct virtio_balloon_cmdq_hdr cmdq_unused_page_hdr; + /* To register callback in oom notifier call chain */ struct notifier_block nb; }; @@ -485,25 +492,214 @@ static void update_balloon_size_func(struct work_struct *work...

...e size of one page_bmap used to record inflated/deflated pages. */ #define VIRTIO_BALLOON_PAGE_BMAP_SIZE (8 * PAGE_SIZE) /* @@ -81,12 +85,25 @@ struct virtio_balloon_page_chunk { unsigned long *page_bmap[VIRTIO_BALLOON_PAGE_BMAP_MAX_NUM]; }; +struct virtio_balloon_cmdq_unused_page { + struct virtio_balloon_cmdq_hdr hdr; + struct vring_desc *desc_table; + /* Number of added descriptors */ + unsigned int num; +}; + +struct virtio_balloon_cmdq_stats { + struct virtio_balloon_cmdq_hdr hdr; + struct virtio_balloon_stat stats[VIRTIO_BALLOON_S_NR]; +}; + struct virtio_balloon { struct virtio_device *vdev; - struc...

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 by one; and 2) cmdq: a new virtqueue to send commands between the device and driver. Currently, it supports commands to report memory stats (replace the old statq mechanism) and report guest unused pages.

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 by one; and 2) cmdq: a new virtqueue to send commands between the device and driver. Currently, it supports commands to report memory stats (replace the old statq mechanism) and report guest unused pages.

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, instead of one by one; and 2) cmdq: a new virtqueue to send commands between the device and driver. Currently, it supports commands to report memory stats (replace the old statq mechanism) and report guest unused pages. Liang Li

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, instead of one by one; and 2) cmdq: a new virtqueue to send commands between the device and driver. Currently, it supports commands to report memory stats (replace the old statq mechanism) and report guest unused pages. Liang Li