xnu-792.18.15.tar.gz

[apple/xnu.git] / osfmk / default_pager / default_pager_internal.h

diff --git a/osfmk/default_pager/default_pager_internal.h b/osfmk/default_pager/default_pager_internal.h
index 631c5b681070fb6f47ba8aea648fb91e911f0eb6..ec579a15d405ef57ede955593dae6ed3aa8320f8 100644 (file)
--- a/osfmk/default_pager/default_pager_internal.h
+++ b/osfmk/default_pager/default_pager_internal.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -537,7 +543,7 @@ struct clmap {
        (clm)->cl_alloc.clb_map >>= (VSCLSIZE(vs) - (clm)->cl_numpages)
 
 typedef struct vstruct_alias {
-       int *name;
+       memory_object_pager_ops_t name;
        struct vstruct *vs;
 } vstruct_alias_t;
 
@@ -574,9 +580,11 @@ typedef struct vstruct_alias {
  * VM Object Structure:  This is the structure used to manage
  * default pager object associations with their control counter-
  * parts (VM objects).
+ *
+ * The start of this structure MUST match a "struct memory_object".
  */
 typedef struct vstruct {
-       int                     *vs_mem_obj;    /* our memory obj - temp */
+       memory_object_pager_ops_t vs_pager_ops; /* == &default_pager_ops */
        int                     vs_mem_obj_ikot;/* JMM:fake ip_kotype() */
        memory_object_control_t vs_control;     /* our mem obj control ref */
        VS_LOCK_TYPE            vs_lock;        /* data for the lock */
@@ -727,9 +735,11 @@ __private_extern__ zone_t  vstruct_zone;
  */
 #ifdef MACH_KERNEL
 
-#define ISVS ((int *)123456)
+extern const struct memory_object_pager_ops default_pager_ops;
+
 #define mem_obj_is_vs(_mem_obj_)                                       \
-       (((_mem_obj_) != NULL) && ((_mem_obj_)->pager == ISVS))
+       (((_mem_obj_) != NULL) &&                                       \
+        ((_mem_obj_)->mo_pager_ops == &default_pager_ops))
 #define mem_obj_to_vs(_mem_obj_)                                       \
        ((vstruct_t)(_mem_obj_))
 #define vs_to_mem_obj(_vs_) ((memory_object_t)(_vs_))