On 05.05.20 16:15, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost > head: da1742791d8c0c0a8e5471f181549c4726a5c5f9 > commit: 7527631e900d464ed2d533f799cb0da2b29cc6f0 [8/22] virtio-mem: Paravirtualized memory hotplug > config: x86_64-randconfig-b002-20200505 (attached as .config) > compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 > reproduce: > git checkout 7527631e900d464ed2d533f799cb0da2b29cc6f0 > # save the attached .config to linux build tree > make ARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All error/warnings (new ones prefixed by >>): > > drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] > vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > ^~~~~~~ > vzalloc >>> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer without a cast [-Wint-conversion] > vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); > ^ >>> drivers/virtio/virtio_mem.c:1419:2: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration] > kfree(vm); > ^~~~~ > vfree > cc1: some warnings being treated as errors > > vim +1375 drivers/virtio/virtio_mem.c Guess we simply need #include <linux/slab.h> to make it work for that config. -- Thanks, David / dhildenb
