It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/vm_priv.h

@@ -0,0 +1,51 @@
+/*
+** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
+** Distributed under the terms of the NewOS License.
+*/
+#ifndef _KERNEL_VM_PRIV_H
+#define _KERNEL_VM_PRIV_H
+
+#include <vm.h>
+#include <khash.h>
+
+/* should make these scale with the system */
+#define DEFAULT_KERNEL_WORKING_SET  1024
+#define DEFAULT_WORKING_SET         256
+#define DEFAULT_MAX_WORKING_SET     65536
+#define DEFAULT_MIN_WORKING_SET     64
+
+#define WORKING_SET_INCREMENT       32
+#define WORKING_SET_DECREMENT       32
+
+#define PAGE_DAEMON_INTERVAL 500000
+#define PAGE_SCAN_QUANTUM 500
+#define WORKING_SET_ADJUST_INTERVAL 5000000
+#define MAX_FAULTS_PER_SECOND 100
+#define MIN_FAULTS_PER_SECOND 10
+
+#define WRITE_COUNT 1024
+#define READ_COUNT 1
+
+// page attributes
+#define PAGE_MODIFIED 0x04
+#define PAGE_ACCESSED 0x08
+#define PAGE_PRESENT  0x10
+
+// Should only be used by vm internals
+int vm_page_fault(addr address, addr fault_address, bool is_write, bool is_user, addr *newip);
+void vm_increase_max_commit(addr delta);
+int vm_daemon_init(void);
+
+// used by the page daemon to walk the list of address spaces
+int vm_aspace_walk_start(struct hash_iterator *i);
+vm_address_space *vm_aspace_walk_next(struct hash_iterator *i);
+
+// get some data about the number of pages in the system
+addr vm_page_num_pages(void);
+addr vm_page_num_free_pages(void);
+
+// allocates memory from the ka structure
+addr vm_alloc_from_ka_struct(kernel_args *ka, unsigned int size, int lock);
+
+#endif
+