xnu-1228.5.18.tar.gz

[apple/xnu.git] / osfmk / vm / vm_pageout.h

diff --git a/osfmk/vm/vm_pageout.h b/osfmk/vm/vm_pageout.h
index 0c54ccc31860721e1a6cb373fc6b68de5006f4b9..c7ab4ca8fb8061378cb94293d417ce4a12db4b06 100644 (file)
--- a/osfmk/vm/vm_pageout.h
+++ b/osfmk/vm/vm_pageout.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@
@@ -88,25 +94,18 @@ extern ppnum_t upl_get_highest_page(
 
 extern unsigned int    vm_pageout_scan_event_counter;
 extern unsigned int    vm_zf_count;
+extern unsigned int    vm_zf_queue_count;
 
 /*
  *     Routines exported to Mach.
  */
 extern void            vm_pageout(void);
 
-extern vm_object_t     vm_pageout_object_allocate(
-                                       vm_page_t               m,
-                                       vm_size_t               size,
-                                       vm_object_offset_t      offset);
+extern kern_return_t   vm_pageout_internal_start(void);
 
 extern void            vm_pageout_object_terminate(
                                        vm_object_t     object);
 
-extern vm_page_t       vm_pageout_setup(
-                                       vm_page_t               m,
-                                       vm_object_t             new_object,
-                                       vm_object_offset_t      new_offset);
-
 extern void            vm_pageout_cluster(
                                        vm_page_t       m);
 
@@ -119,12 +118,6 @@ extern void                vm_pageclean_setup(
                                        vm_object_t             new_object,
                                        vm_object_offset_t      new_offset);
 
-extern void            vm_pageclean_copy(
-                                       vm_page_t               m,
-                                       vm_page_t               new_m,
-                                       vm_object_t             new_object,
-                                       vm_object_offset_t      new_offset);
-
 /* UPL exported routines and structures */
 
 #define upl_lock_init(object)  mutex_init(&(object)->Lock, 0)
@@ -164,7 +157,7 @@ struct upl {
 #define UPL_IO_WIRE            0x200
 #define UPL_ACCESS_BLOCKED     0x400
 #define UPL_ENCRYPTED          0x800
-
+#define UPL_SHADOWED           0x1000
 
 /* flags for upl_create flags parameter */
 #define UPL_CREATE_EXTERNAL    0
@@ -242,7 +235,8 @@ extern kern_return_t vm_paging_map_object(
        vm_page_t               page,
        vm_object_t             object,
        vm_object_offset_t      offset,
-       vm_map_size_t           *size);
+       vm_map_size_t           *size,
+       boolean_t               can_unlock_object);
 extern void vm_paging_unmap_object(
        vm_object_t             object,
        vm_map_offset_t         start,