[PATCH v3 2/8] KVM: s390: Fix compile warning for kvm_s390_update_cmma_dirty()

[Claudio Imbrenda <imbrenda@linux.ibm.com>]

The parameter "old" should be marked as const, to prevent compile-time
warnings.

Fixes: d487a24041c2 ("KVM: s390: Prepare gmap for a second KVM implementation")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 arch/s390/kvm/s390/s390.c | 2 +-
 arch/s390/kvm/s390/s390.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/kvm/s390/s390.c b/arch/s390/kvm/s390/s390.c
index b0839e887221..8f7e09d7d049 100644
--- a/arch/s390/kvm/s390/s390.c
+++ b/arch/s390/kvm/s390/s390.c
@@ -5766,7 +5766,7 @@ static long cmma_d_count_pte(union pte *ptep, gfn_t gfn, gfn_t next, struct dat_
 	return 0;
 }
 
-void kvm_s390_update_cmma_dirty(struct kvm *kvm, struct kvm_memory_slot *old)
+void kvm_s390_update_cmma_dirty(struct kvm *kvm, const struct kvm_memory_slot *old)
 {
 	const struct dat_walk_ops ops = { .pte_entry = cmma_d_count_pte, };
 
diff --git a/arch/s390/kvm/s390/s390.h b/arch/s390/kvm/s390/s390.h
index d284a263ba70..aa0d1d062f8d 100644
--- a/arch/s390/kvm/s390/s390.h
+++ b/arch/s390/kvm/s390/s390.h
@@ -472,7 +472,7 @@ int __kvm_s390_mprotect_many(struct gmap *gmap, gpa_t gpa, u8 npages, unsigned i
 			     unsigned long bits);
 
 bool kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu);
-void kvm_s390_update_cmma_dirty(struct kvm *kvm, struct kvm_memory_slot *old);
+void kvm_s390_update_cmma_dirty(struct kvm *kvm, const struct kvm_memory_slot *old);
 int kvm_s390_vm_stop_migration(struct kvm *kvm);
 
 
-- 
2.55.0