1 /* $OpenBSD: uvm_loan.h,v 1.7 2002/03/14 01:27:18 millert Exp $ */
2 /* $NetBSD: uvm_loan.h,v 1.7 1999/06/21 17:25:11 thorpej Exp $ */
3
4 /*
5 *
6 * Copyright (c) 1997 Charles D. Cranor and Washington University.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Charles D. Cranor and
20 * Washington University.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * from: Id: uvm_loan.h,v 1.1.4.1 1997/12/08 16:07:14 chuck Exp
36 */
37
38 #ifndef _UVM_UVM_LOAN_H_
39 #define _UVM_UVM_LOAN_H_
40
41 #ifdef _KERNEL
42
43 /*
44 * flags for uvm_loan
45 */
46
47 #define UVM_LOAN_TOANON 0x1 /* loan to anon */
48 #define UVM_LOAN_TOPAGE 0x2 /* loan to page */
49
50 /*
51 * loan prototypes
52 */
53
54 int uvm_loan(struct vm_map *, vaddr_t, vsize_t, void **, int);
55 void uvm_unloananon(struct vm_anon **, int);
56 void uvm_unloanpage(struct vm_page **, int);
57
58 #endif /* _KERNEL */
59
60 #endif /* _UVM_UVM_LOAN_H_ */