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vm_init.c (1542) vm_init.c (1549)
1
1/*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

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74
75/*
76 * vm_init initializes the virtual memory system.
77 * This is done only by the first cpu up.
78 *
79 * The start and end address of physical memory is passed in.
80 */
81
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()
83{
84 extern vm_offset_t avail_start, avail_end;
85 extern vm_offset_t virtual_avail, virtual_end;
86
87 /*
88 * Initializes resident memory structures.
89 * From here on, all physical memory is accounted for,
90 * and we use only virtual addresses.
91 */
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
94
95 vm_set_page_size();
96 virtual_avail = vm_page_startup(avail_start, avail_end, virtual_avail);
95 /*
96 * Initialize other VM packages
97 */
98 vm_object_init(virtual_end - VM_MIN_KERNEL_ADDRESS);
99 vm_map_startup();
100 kmem_init(virtual_avail, virtual_end);
101 pmap_init(avail_start, avail_end);
102 vm_pager_init();
103}
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}