KVM: SVM: rename a variable in the svm_create_vcpu

The 'page' is to hold the vcpu's vmcb so name it as such to
avoid confusion.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Message-Id: <20200827171145.374620-2-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm/svm.c

@@ -1171,7 +1171,7 @@ static void svm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
 static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm;
-	struct page *page;
+	struct page *vmcb_page;
 	struct page *msrpm_pages;
 	struct page *hsave_page;
 	struct page *nested_msrpm_pages;
@@ -1181,8 +1181,8 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 	svm = to_svm(vcpu);
 
 	err = -ENOMEM;
-	page = alloc_page(GFP_KERNEL_ACCOUNT);
-	if (!page)
+	vmcb_page = alloc_page(GFP_KERNEL_ACCOUNT);
+	if (!vmcb_page)
 		goto out;
 
 	msrpm_pages = alloc_pages(GFP_KERNEL_ACCOUNT, MSRPM_ALLOC_ORDER);
@@ -1216,9 +1216,9 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 	svm->nested.msrpm = page_address(nested_msrpm_pages);
 	svm_vcpu_init_msrpm(svm->nested.msrpm);
 
-	svm->vmcb = page_address(page);
+	svm->vmcb = page_address(vmcb_page);
 	clear_page(svm->vmcb);
-	svm->vmcb_pa = __sme_set(page_to_pfn(page) << PAGE_SHIFT);
+	svm->vmcb_pa = __sme_set(page_to_pfn(vmcb_page) << PAGE_SHIFT);
 	svm->asid_generation = 0;
 	init_vmcb(svm);
 
@@ -1234,7 +1234,7 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 free_page2:
 	__free_pages(msrpm_pages, MSRPM_ALLOC_ORDER);
 free_page1:
-	__free_page(page);
+	__free_page(vmcb_page);
 out:
 	return err;
 }