KVM: s390: Enable KVM_CAP_NR_MEMSLOTS on s390

Return KVM_USER_MEM_SLOTS in kvm_dev_ioctl_check_extension().

Signed-off-by: Nick Wang <jfwang@us.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index b322ff15751d..c1c7c683fa26 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -149,6 +149,9 @@ int kvm_dev_ioctl_check_extension(long ext)
         case KVM_CAP_MAX_VCPUS:
                 r = KVM_MAX_VCPUS;
                 break;
+        case KVM_CAP_NR_MEMSLOTS:
+                r = KVM_USER_MEM_SLOTS;
+                break;
         case KVM_CAP_S390_COW:
                 r = MACHINE_HAS_ESOP;
                 break;