KVM: Get rid of kvm_kvfree()

kvm_kvfree() provides exactly the same functionality as the
new common kvfree() function - so let's simply replace the
kvm function with the common function.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

arch/x86/kvm/x86.c

@@ -7429,7 +7429,7 @@ void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
 
 	for (i = 0; i < KVM_NR_PAGE_SIZES; ++i) {
 		if (!dont || free->arch.rmap[i] != dont->arch.rmap[i]) {
-			kvm_kvfree(free->arch.rmap[i]);
+			kvfree(free->arch.rmap[i]);
 			free->arch.rmap[i] = NULL;
 		}
 		if (i == 0)
@@ -7437,7 +7437,7 @@ void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
 
 		if (!dont || free->arch.lpage_info[i - 1] !=
 			     dont->arch.lpage_info[i - 1]) {
-			kvm_kvfree(free->arch.lpage_info[i - 1]);
+			kvfree(free->arch.lpage_info[i - 1]);
 			free->arch.lpage_info[i - 1] = NULL;
 		}
 	}
@@ -7491,12 +7491,12 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
 
 out_free:
 	for (i = 0; i < KVM_NR_PAGE_SIZES; ++i) {
-		kvm_kvfree(slot->arch.rmap[i]);
+		kvfree(slot->arch.rmap[i]);
 		slot->arch.rmap[i] = NULL;
 		if (i == 0)
 			continue;
 
-		kvm_kvfree(slot->arch.lpage_info[i - 1]);
+		kvfree(slot->arch.lpage_info[i - 1]);
 		slot->arch.lpage_info[i - 1] = NULL;
 	}
 	return -ENOMEM;

include/linux/kvm_host.h

@@ -658,7 +658,6 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
 
 void *kvm_kvzalloc(unsigned long size);
-void kvm_kvfree(const void *addr);
 
 #ifndef __KVM_HAVE_ARCH_VM_ALLOC
 static inline struct kvm *kvm_arch_alloc_vm(void)

virt/kvm/kvm_main.c

@@ -539,20 +539,12 @@ void *kvm_kvzalloc(unsigned long size)
 		return kzalloc(size, GFP_KERNEL);
 }
 
-void kvm_kvfree(const void *addr)
-{
-	if (is_vmalloc_addr(addr))
-		vfree(addr);
-	else
-		kfree(addr);
-}
-
 static void kvm_destroy_dirty_bitmap(struct kvm_memory_slot *memslot)
 {
 	if (!memslot->dirty_bitmap)
 		return;
 
-	kvm_kvfree(memslot->dirty_bitmap);
+	kvfree(memslot->dirty_bitmap);
 	memslot->dirty_bitmap = NULL;
 }