KVM: using get_fault_pfn to get the fault pfn

Using get_fault_pfn to cleanup the code

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 685a4855738..f85cc21ae95 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2513,10 +2513,8 @@ static pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
         unsigned long hva;
 
         slot = gfn_to_memslot_dirty_bitmap(vcpu, gfn, no_dirty_log);
-        if (!slot) {
-                get_page(fault_page);
-                return page_to_pfn(fault_page);
-        }
+        if (!slot)
+                return get_fault_pfn();
 
         hva = gfn_to_hva_memslot(slot, gfn);