xnu-792.17.14.tar.gz

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

diff --git a/osfmk/vm/vm_init.c b/osfmk/vm/vm_init.c
index a5a1c26aed3ff3ed5a2e7f092dc01d1418078c11..2ee659818b812f43a6cab9712e49d40fcd4d98ca 100644 (file)
--- a/osfmk/vm/vm_init.c
+++ b/osfmk/vm/vm_init.c
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * 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@
@@ -68,8 +74,12 @@
 #include <vm/vm_fault.h>
 #include <vm/vm_init.h>
 
+#include <pexpert/pexpert.h>
+
+#include <vm/vm_protos.h>
+
 #define ZONE_MAP_MIN (12 * 1024 * 1024) 
-#define ZONE_MAP_MAX (128 * 1024 * 1024) 
+#define ZONE_MAP_MAX (768 * 1024 * 1024) 
 
 /*
  *     vm_mem_bootstrap initializes the virtual memory system.
@@ -100,7 +110,12 @@ vm_mem_bootstrap(void)
        kmem_init(start, end);
        pmap_init();
        
-       zsize = mem_size >> 2;                  /* Get target zone size as 1/4 of physical memory */
+       if (PE_parse_boot_arg("zsize", &zsize))
+               zsize = zsize * 1024 * 1024;
+       else {
+               zsize = sane_size >> 2;                         /* Get target zone size as 1/4 of physical memory */
+       }
+
        if(zsize < ZONE_MAP_MIN) zsize = ZONE_MAP_MIN;  /* Clamp to min */
        if(zsize > ZONE_MAP_MAX) zsize = ZONE_MAP_MAX;  /* Clamp to max */
        zone_init(zsize);                                               /* Allocate address space for zones */