1 files changed, 13 insertions, 1 deletions

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 87f4dc886076..4d213b8b0fb5 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -302,10 +302,18 @@ long kvm_arch_dev_ioctl(struct file *filp,
 void kvm_arch_free_memslot(struct kvm_memory_slot *free,
                            struct kvm_memory_slot *dont)
 {
+        if (!dont || free->arch.rmap != dont->arch.rmap) {
+                vfree(free->arch.rmap);
+                free->arch.rmap = NULL;
+        }
 }
 
 int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages)
 {
+        slot->arch.rmap = vzalloc(npages * sizeof(*slot->arch.rmap));
+        if (!slot->arch.rmap)
+                return -ENOMEM;
+
         return 0;
 }
 
@@ -326,8 +334,12 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
         kvmppc_core_commit_memory_region(kvm, mem);
 }
 
+void kvm_arch_flush_shadow_all(struct kvm *kvm)
+{
+}
 
-void kvm_arch_flush_shadow(struct kvm *kvm)
+void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
+                                   struct kvm_memory_slot *slot)
 {
 }