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1
2/*
3 * Copyright (c) 1991, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * The Mach Operating System project at Carnegie-Mellon University.
8 *
9 * Redistribution and use in source and binary forms, with or without

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75
76/*
77 * vm_init initializes the virtual memory system.
78 * This is done only by the first cpu up.
79 *
80 * The start and end address of physical memory is passed in.
81 */
82
82void vm_mem_init()
83void
84vm_mem_init()
85{
86 extern vm_offset_t avail_start, avail_end;
87 extern vm_offset_t virtual_avail, virtual_end;
88
89 /*
90 * Initializes resident memory structures.
91 * From here on, all physical memory is accounted for,
92 * and we use only virtual addresses.
93 */
92 vm_set_page_size();
93 vm_page_startup(&avail_start, &avail_end);
94
95 vm_set_page_size();
96 virtual_avail = vm_page_startup(avail_start, avail_end, virtual_avail);
97 /*
98 * Initialize other VM packages
99 */
100 vm_object_init(virtual_end - VM_MIN_KERNEL_ADDRESS);
101 vm_map_startup();
102 kmem_init(virtual_avail, virtual_end);
103 pmap_init(avail_start, avail_end);
104 vm_pager_init();
105}