Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-08-03 Thread kbuild test robot
Hi Wei, [auto build test WARNING on v4.13-rc3] [also build test WARNING on next-20170803] [cannot apply to linus/master linux/master mmotm/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-08-03 Thread Wei Wang
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(*

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-08-03 Thread Pankaj Gupta
> > 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),

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-08-03 Thread Michael S. Tsirkin
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_

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-08-03 Thread Wei Wang
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

Re: [PATCH v13 5/5] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-08-03 Thread Pankaj Gupta
> > 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_balloon.h | 1 + > 2 files changed, 140 insertions(+