xnu-1228.9.59.tar.gz

[apple/xnu.git] / osfmk / vm / bsd_vm.c

diff --git a/osfmk/vm/bsd_vm.c b/osfmk/vm/bsd_vm.c
index e9af2b6ee51fd2c5490efa60111adba558302f71..fd383fea34a106f57b2d66e6175e57cb73487876 100644 (file)
--- a/osfmk/vm/bsd_vm.c
+++ b/osfmk/vm/bsd_vm.c
@@ -126,7 +126,8 @@ const struct memory_object_pager_ops vnode_pager_ops = {
        vnode_pager_data_initialize,
        vnode_pager_data_unlock,
        vnode_pager_synchronize,
-       vnode_pager_unmap,
+       vnode_pager_map,
+       vnode_pager_last_unmap,
        "vnode pager"
 };
 
@@ -494,9 +495,9 @@ vnode_pager_bootstrap(void)
        size = (vm_size_t) sizeof(struct vnode_pager);
        vnode_pager_zone = zinit(size, (vm_size_t) MAX_VNODE*size,
                                PAGE_SIZE, "vnode pager structures");
-#ifdef __i386__
+#if CONFIG_CODE_DECRYPTION
        apple_protect_pager_bootstrap();
-#endif /* __i386__ */
+#endif /* CONFIG_CODE_DECRYPTION */
        return;
 }
 
@@ -782,12 +783,36 @@ vnode_pager_synchronize(
  *
  */
 kern_return_t
-vnode_pager_unmap(
+vnode_pager_map(
+       memory_object_t         mem_obj,
+       vm_prot_t               prot)
+{
+       vnode_pager_t           vnode_object;
+       int                     ret;
+       kern_return_t           kr;
+
+       PAGER_DEBUG(PAGER_ALL, ("vnode_pager_map: %p %x\n", mem_obj, prot));
+
+       vnode_object = vnode_pager_lookup(mem_obj);
+
+       ret = ubc_map(vnode_object->vnode_handle, prot);
+
+       if (ret != 0) {
+               kr = KERN_FAILURE;
+       } else {
+               kr = KERN_SUCCESS;
+       }
+
+       return kr;
+}
+
+kern_return_t
+vnode_pager_last_unmap(
        memory_object_t         mem_obj)
 {
        register vnode_pager_t  vnode_object;
 
-       PAGER_DEBUG(PAGER_ALL, ("vnode_pager_unmap: %p\n", mem_obj));
+       PAGER_DEBUG(PAGER_ALL, ("vnode_pager_last_unmap: %p\n", mem_obj));
 
        vnode_object = vnode_pager_lookup(mem_obj);