xnu-1228.tar.gz

[apple/xnu.git] / osfmk / chud / chud_memory.c

diff --git a/osfmk/chud/chud_memory.c b/osfmk/chud/chud_memory.c
index 9eeabb69e2346f12918744b5754297e569016a07..f71c0333e8d3138fac4e54f7875f2a48d206e617 100644 (file)
--- a/osfmk/chud/chud_memory.c
+++ b/osfmk/chud/chud_memory.c
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * 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.
+ * 
+ * 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.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #include <mach/vm_param.h>
@@ -26,15 +32,16 @@
 
 extern unsigned int IODefaultCacheBits(addr64_t pa);
 extern unsigned int vm_page_free_count;
+extern unsigned int vm_page_inactive_count;
 
-__private_extern__
-uint64_t chudxnu_avail_memory_size(void)
+__private_extern__ uint64_t 
+chudxnu_avail_memory_size(void)
 {
     return max_mem;
 }
 
-__private_extern__
-uint64_t chudxnu_phys_memory_size(void)
+__private_extern__ uint64_t 
+chudxnu_phys_memory_size(void)
 {
     return mem_actual;
 }
@@ -49,14 +56,28 @@ uint64_t chudxnu_free_memory_size(void)
     return (uint64_t)vm_page_free_count * (uint64_t)page_size;
 }
 
+/*
+ * This function is not intended to be valid for any amount of time,
+ * it is just an instantaneous snapshot of the current inactive memory size.
+ */
+__private_extern__
+uint64_t chudxnu_inactive_memory_size(void)
+{
+       return (uint64_t)vm_page_inactive_count * (uint64_t)page_size;
+}
+
+#pragma mark *** DEPRECATED ***
+
+// DEPRECATED
 __private_extern__
 vm_offset_t chudxnu_io_map(uint64_t phys_addr, vm_size_t size)
 {
     return ml_io_map(phys_addr, size); // XXXXX limited to first 2GB XXXXX
 }
 
-__private_extern__
-uint32_t chudxnu_phys_addr_wimg(uint64_t phys_addr)
+// DEPRECATED
+__private_extern__ uint32_t
+chudxnu_phys_addr_wimg(uint64_t phys_addr)
 {
     return IODefaultCacheBits(phys_addr);
 }