1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)vm_extern.h 8.2 (Berkeley) 1/12/94
| 1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)vm_extern.h 8.2 (Berkeley) 1/12/94
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30 * $FreeBSD: head/sys/vm/vm_extern.h 253953 2013-08-05 08:55:35Z attilio $
| 30 * $FreeBSD: head/sys/vm/vm_extern.h 254025 2013-08-07 06:21:20Z jeff $
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31 */ 32 33#ifndef _VM_EXTERN_H_ 34#define _VM_EXTERN_H_ 35 36struct proc; 37struct vmspace; 38struct vnode;
| 31 */ 32 33#ifndef _VM_EXTERN_H_ 34#define _VM_EXTERN_H_ 35 36struct proc; 37struct vmspace; 38struct vnode;
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| 39struct vmem;
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39 40#ifdef _KERNEL 41
| 40 41#ifdef _KERNEL 42
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42int kernacc(void *, int, int); 43vm_offset_t kmem_alloc(vm_map_t, vm_size_t); 44vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, int flags,
| 43/* These operate on kernel virtual addresses only. */ 44vm_offset_t kva_alloc(vm_size_t); 45void kva_free(vm_offset_t, vm_size_t); 46 47/* These operate on pageable virtual addresses. */ 48vm_offset_t kmap_alloc_wait(vm_map_t, vm_size_t); 49void kmap_free_wakeup(vm_map_t, vm_offset_t, vm_size_t); 50 51/* These operate on virtual addresses backed by memory. */ 52vm_offset_t kmem_alloc_attr(struct vmem *, vm_size_t size, int flags,
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45 vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr);
| 53 vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr);
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46vm_offset_t kmem_alloc_contig(vm_map_t map, vm_size_t size, int flags,
| 54vm_offset_t kmem_alloc_contig(struct vmem *, vm_size_t size, int flags,
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47 vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary, 48 vm_memattr_t memattr);
| 55 vm_paddr_t low, vm_paddr_t high, u_long alignment, vm_paddr_t boundary, 56 vm_memattr_t memattr);
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49vm_offset_t kmem_alloc_nofault(vm_map_t, vm_size_t); 50vm_offset_t kmem_alloc_nofault_space(vm_map_t, vm_size_t, int); 51vm_offset_t kmem_alloc_wait(vm_map_t, vm_size_t); 52void kmem_free(vm_map_t, vm_offset_t, vm_size_t); 53void kmem_free_wakeup(vm_map_t, vm_offset_t, vm_size_t); 54void kmem_init(vm_offset_t, vm_offset_t); 55vm_offset_t kmem_malloc(vm_map_t map, vm_size_t size, int flags); 56int kmem_back(vm_map_t, vm_offset_t, vm_size_t, int);
| 57vm_offset_t kmem_malloc(struct vmem *, vm_size_t size, int flags); 58void kmem_free(struct vmem *, vm_offset_t, vm_size_t); 59 60/* This provides memory for previously allocated address space. */ 61int kmem_back(vm_object_t, vm_offset_t, vm_size_t, int); 62void kmem_unback(vm_object_t, vm_offset_t, vm_size_t); 63 64/* Bootstrapping. */
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57vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t, 58 boolean_t);
| 65vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t, 66 boolean_t);
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| 67void kmem_init(vm_offset_t, vm_offset_t); 68void kmem_init_zero_region(void); 69void kmeminit(void); 70
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59void swapout_procs(int);
| 71void swapout_procs(int);
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| 72int kernacc(void *, int, int);
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60int useracc(void *, int, int); 61int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int); 62void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t, 63 vm_ooffset_t *); 64int vm_fault_disable_pagefaults(void); 65void vm_fault_enable_pagefaults(int save); 66int vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type, 67 int fault_flags, vm_page_t *m_hold); 68int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, 69 vm_prot_t prot, vm_page_t *ma, int max_count); 70void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 71int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 72int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); 73void vm_waitproc(struct proc *); 74int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t); 75int vm_mmap_to_errno(int rv); 76void vm_set_page_size(void); 77void vm_sync_icache(vm_map_t, vm_offset_t, vm_size_t); 78struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t); 79struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *); 80int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t); 81int vmspace_unshare(struct proc *); 82void vmspace_exit(struct thread *); 83struct vmspace *vmspace_acquire_ref(struct proc *); 84void vmspace_free(struct vmspace *); 85void vmspace_exitfree(struct proc *); 86void vnode_pager_setsize(struct vnode *, vm_ooffset_t); 87int vslock(void *, size_t); 88void vsunlock(void *, size_t); 89struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset); 90void vm_imgact_unmap_page(struct sf_buf *sf); 91void vm_thread_dispose(struct thread *td); 92int vm_thread_new(struct thread *td, int pages); 93int vm_mlock(struct proc *, struct ucred *, const void *, size_t); 94#endif /* _KERNEL */ 95#endif /* !_VM_EXTERN_H_ */
| 73int useracc(void *, int, int); 74int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int); 75void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t, 76 vm_ooffset_t *); 77int vm_fault_disable_pagefaults(void); 78void vm_fault_enable_pagefaults(int save); 79int vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type, 80 int fault_flags, vm_page_t *m_hold); 81int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, 82 vm_prot_t prot, vm_page_t *ma, int max_count); 83void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 84int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); 85int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); 86void vm_waitproc(struct proc *); 87int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t); 88int vm_mmap_to_errno(int rv); 89void vm_set_page_size(void); 90void vm_sync_icache(vm_map_t, vm_offset_t, vm_size_t); 91struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t); 92struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *); 93int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t); 94int vmspace_unshare(struct proc *); 95void vmspace_exit(struct thread *); 96struct vmspace *vmspace_acquire_ref(struct proc *); 97void vmspace_free(struct vmspace *); 98void vmspace_exitfree(struct proc *); 99void vnode_pager_setsize(struct vnode *, vm_ooffset_t); 100int vslock(void *, size_t); 101void vsunlock(void *, size_t); 102struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset); 103void vm_imgact_unmap_page(struct sf_buf *sf); 104void vm_thread_dispose(struct thread *td); 105int vm_thread_new(struct thread *td, int pages); 106int vm_mlock(struct proc *, struct ucred *, const void *, size_t); 107#endif /* _KERNEL */ 108#endif /* !_VM_EXTERN_H_ */
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