KVM: VMX: Prepare an identity page table for EPT in real mode

[aliguory: plug leak]

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0735efb..1842a86 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3909,6 +3909,8 @@
 	kvm_free_physmem(kvm);
 	if (kvm->arch.apic_access_page)
 		put_page(kvm->arch.apic_access_page);
+	if (kvm->arch.ept_identity_pagetable)
+		put_page(kvm->arch.ept_identity_pagetable);
 	kfree(kvm);
 }