Merge tag 'kvm-s390-master-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: Fix wrong memory allocation

With commit d86bd1bece6f ("mm/slub: support left redzone") or
with slab debugging the allocation of our diag224 buffer is not
aligned properly. Let's fix this.