On Thu, Aug 03, 2017 at 03:20:09PM +, Wang, Wei W wrote:
> On Thursday, August 3, 2017 9:51 PM, Michal Hocko:
> > As I've said earlier. Start simple optimize incrementally with some numbers
> > to
> > justify a more subtle code.
> > --
>
> OK. Let's start with the simple implementation as yo
On Thu, Aug 03, 2017 at 03:17:59PM +, Wang, Wei W wrote:
> On Thursday, August 3, 2017 10:23 PM, Michael S. Tsirkin wrote:
> > On Thu, Aug 03, 2017 at 02:38:17PM +0800, Wei Wang wrote:
> > > +static void send_one_sg(struct virtio_balloon *vb, struct virtqueue *vq,
> > > + void *
On Thursday, August 3, 2017 9:51 PM, Michal Hocko:
> As I've said earlier. Start simple optimize incrementally with some numbers to
> justify a more subtle code.
> --
OK. Let's start with the simple implementation as you suggested.
Best,
Wei
-
On Thursday, August 3, 2017 10:23 PM, Michael S. Tsirkin wrote:
> On Thu, Aug 03, 2017 at 02:38:17PM +0800, Wei Wang wrote:
> > +static void send_one_sg(struct virtio_balloon *vb, struct virtqueue *vq,
> > + void *addr, uint32_t size)
> > +{
> > + struct scatterlist sg;
> > +
On Thu, Aug 03, 2017 at 02:38:17PM +0800, Wei Wang wrote:
> Add a new feature, VIRTIO_BALLOON_F_SG, which enables the transfer
> of balloon (i.e. inflated/deflated) pages using scatter-gather lists
> to the host.
>
> The implementation of the previous virtio-balloon is not very
> efficient, becaus
On 08/03/2017 09:05 PM, Pankaj Gupta wrote:
On 08/03/2017 04:13 PM, Pankaj Gupta wrote:
+/* Allocate space for find_vqs parameters */
+vqs = kcalloc(nvqs, sizeof(*vqs), GFP_KERNEL);
+if (!vqs)
+goto err_vq;
+callbacks = kmalloc_array(nvqs, sizeof(*
On 08/03/2017 08:41 PM, Michal Hocko wrote:
On Thu 03-08-17 20:11:58, Wei Wang wrote:
On 08/03/2017 07:28 PM, Michal Hocko wrote:
On Thu 03-08-17 19:27:19, Wei Wang wrote:
On 08/03/2017 06:44 PM, Michal Hocko wrote:
On Thu 03-08-17 18:42:15, Wei Wang wrote:
On 08/03/2017 05:11 PM, Michal Hoc
On Thu, Aug 03, 2017 at 02:38:19PM +0800, Wei Wang wrote:
> Add a new vq to report hints of guest free pages to the host.
>
> Signed-off-by: Wei Wang
> Signed-off-by: Liang Li
> ---
> drivers/virtio/virtio_balloon.c | 164
> ++--
> include/uapi/linux/virtio_
On 08/03/2017 04:13 PM, Pankaj Gupta wrote:
+/* Allocate space for find_vqs parameters */
+vqs = kcalloc(nvqs, sizeof(*vqs), GFP_KERNEL);
+if (!vqs)
+goto err_vq;
+callbacks = kmalloc_array(nvqs, sizeof(*callbacks), GFP_KERNEL);
+if (!callb
On 08/03/2017 07:28 PM, Michal Hocko wrote:
On Thu 03-08-17 19:27:19, Wei Wang wrote:
On 08/03/2017 06:44 PM, Michal Hocko wrote:
On Thu 03-08-17 18:42:15, Wei Wang wrote:
On 08/03/2017 05:11 PM, Michal Hocko wrote:
On Thu 03-08-17 14:38:18, Wei Wang wrote:
[...]
+static int report_free_pag
On 08/03/2017 06:44 PM, Michal Hocko wrote:
On Thu 03-08-17 18:42:15, Wei Wang wrote:
On 08/03/2017 05:11 PM, Michal Hocko wrote:
On Thu 03-08-17 14:38:18, Wei Wang wrote:
[...]
+static int report_free_page_block(struct zone *zone, unsigned int order,
+ unsigne
On 08/03/2017 05:11 PM, Michal Hocko wrote:
On Thu 03-08-17 14:38:18, Wei Wang wrote:
This patch adds support to walk through the free page blocks in the
system and report them via a callback function. Some page blocks may
leave the free list after the report function returns, so it is the
calle
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