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vm_kern.c (118096) vm_kern.c (118317)
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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62 * rights to redistribute these changes.
63 */
64
65/*
66 * Kernel memory management.
67 */
68
69#include <sys/cdefs.h>
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

--- 53 unchanged lines hidden (view full) ---

62 * rights to redistribute these changes.
63 */
64
65/*
66 * Kernel memory management.
67 */
68
69#include <sys/cdefs.h>
70__FBSDID("$FreeBSD: head/sys/vm/vm_kern.c 118096 2003-07-27 18:31:32Z alc $");
70__FBSDID("$FreeBSD: head/sys/vm/vm_kern.c 118317 2003-08-01 19:51:43Z alc $");
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h> /* for ticks and hz */
75#include <sys/lock.h>
76#include <sys/mutex.h>
77#include <sys/proc.h>
78#include <sys/malloc.h>

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114 return (0);
115 }
116 return (addr);
117}
118
119/*
120 * kmem_alloc_nofault:
121 *
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h> /* for ticks and hz */
75#include <sys/lock.h>
76#include <sys/mutex.h>
77#include <sys/proc.h>
78#include <sys/malloc.h>

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114 return (0);
115 }
116 return (addr);
117}
118
119/*
120 * kmem_alloc_nofault:
121 *
122 * Same as kmem_alloc_pageable, except that it create a nofault entry.
122 * Allocate a virtual address range with no underlying object and
123 * no initial mapping to physical memory. Any mapping from this
124 * range to physical memory must be explicitly created prior to
125 * its use, typically with pmap_qenter(). Any attempt to create
126 * a mapping on demand through vm_fault() will result in a panic.
123 */
124vm_offset_t
125kmem_alloc_nofault(map, size)
126 vm_map_t map;
127 vm_size_t size;
128{
129 vm_offset_t addr;
130 int result;

--- 401 unchanged lines hidden --- 		127 */
128vm_offset_t
129kmem_alloc_nofault(map, size)
130 vm_map_t map;
131 vm_size_t size;
132{
133 vm_offset_t addr;
134 int result;

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