Re: [PATCH v2 14/18] mm/balloon: use general movable page feature into balloon

From: Minchan Kim
Date: Mon Mar 21 2016 - 22:21:17 EST


On Mon, Mar 21, 2016 at 04:29:55PM +0800, kbuild test robot wrote:
> Hi Minchan,
>
> [auto build test ERROR on next-20160318]
> [cannot apply to v4.5-rc7 v4.5-rc6 v4.5-rc5 v4.5]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
>
> url: https://github.com/0day-ci/linux/commits/Minchan-Kim/Support-non-lru-page-migration/20160321-143339
> config: x86_64-randconfig-x000-201612 (attached as .config)
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All error/warnings (new ones prefixed by >>):
>
> drivers/virtio/virtio_balloon.c: In function 'virtballoon_probe':
> >> drivers/virtio/virtio_balloon.c:578:15: error: 'balloon_mnt' undeclared (first use in this function)
> kern_unmount(balloon_mnt);
> ^
> drivers/virtio/virtio_balloon.c:578:15: note: each undeclared identifier is reported only once for each function it appears in
> >> drivers/virtio/virtio_balloon.c:579:1: warning: label 'out_free_vb' defined but not used [-Wunused-label]
> out_free_vb:
> ^
>
> vim +/balloon_mnt +578 drivers/virtio/virtio_balloon.c
>
> 572
> 573 out_oom_notify:
> 574 vdev->config->del_vqs(vdev);
> 575 out_unmount:
> 576 if (vb->vb_dev_info.inode)
> 577 iput(vb->vb_dev_info.inode);
> > 578 kern_unmount(balloon_mnt);
> > 579 out_free_vb:
> 580 kfree(vb);
> 581 out:
> 582 return err;
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation


Thanks, kbuild.
Fixed.