Index: sys/fs/tmpfs/tmpfs_vnops.c
===================================================================
--- sys/fs/tmpfs/tmpfs_vnops.c	(revisione 237174)
+++ sys/fs/tmpfs/tmpfs_vnops.c	(copia locale)
@@ -510,8 +510,7 @@ tmpfs_mappedread(vm_object_t vobj, vm_object_t tob
 	offset = addr & PAGE_MASK;
 	tlen = MIN(PAGE_SIZE - offset, len);
 
-	if ((vobj == NULL) ||
-	    (vobj->resident_page_count == 0 && vobj->cache == NULL))
+	if (vobj == NULL)
 		goto nocache;
 
 	VM_OBJECT_LOCK(vobj);
@@ -637,12 +636,10 @@ tmpfs_mappedwrite(vm_object_t vobj, vm_object_t to
 	idx = OFF_TO_IDX(addr);
 	offset = addr & PAGE_MASK;
 	tlen = MIN(PAGE_SIZE - offset, len);
+	vpg = NULL;
 
-	if ((vobj == NULL) ||
-	    (vobj->resident_page_count == 0 && vobj->cache == NULL)) {
-		vpg = NULL;
+	if (vobj == NULL)
 		goto nocache;
-	}
 
 	VM_OBJECT_LOCK(vobj);
 lookupvpg: