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56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/*
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* Copyright (c) 1990 University of Utah.
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)swap_pager.h 7.1 (Berkeley) 12/5/90
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* $FreeBSD$
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*/
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#ifndef _VM_SWAP_PAGER_H_
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#define _VM_SWAP_PAGER_H_ 1
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#ifdef _KERNEL
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extern int swap_pager_full;
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extern int swap_pager_avail;
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struct swdevt;
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void swap_pager_copy(vm_object_t, vm_object_t, vm_pindex_t, int);
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void swap_pager_freespace(vm_object_t, vm_pindex_t, vm_size_t);
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void swap_pager_swap_init(void);
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int swap_pager_isswapped(vm_object_t, struct swdevt *);
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int swap_pager_reserve(vm_object_t, vm_pindex_t, vm_size_t);
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void swap_pager_status(int *total, int *used);
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#endif /* _KERNEL */
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#endif /* _VM_SWAP_PAGER_H_ */
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