x86/xen: simplify xen_oldmem_pfn_is_ram()

[sfrench/cifs-2.6.git] / arch / x86 / xen / mmu_hvm.c

diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c
index b242d1f4b42695d4197ece1439dfa6c45b0027d2..d1b38c77352ba261eb177f4963792c14db517d7d 100644 (file)
--- a/arch/x86/xen/mmu_hvm.c
+++ b/arch/x86/xen/mmu_hvm.c
@@ -21,23 +21,10 @@ static int xen_oldmem_pfn_is_ram(unsigned long pfn)
                .domid = DOMID_SELF,
                .pfn = pfn,
        };
                .domid = DOMID_SELF,
                .pfn = pfn,
        };

-       int ram;

 
        if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a))
                return -ENXIO;
 
        if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a))
                return -ENXIO;

-
-       switch (a.mem_type) {
-       case HVMMEM_mmio_dm:
-               ram = 0;
-               break;
-       case HVMMEM_ram_rw:
-       case HVMMEM_ram_ro:
-       default:
-               ram = 1;
-               break;
-       }
-
-       return ram;
+       return a.mem_type != HVMMEM_mmio_dm;

 }
 #endif
 
 }
 #endif