xref: /illumos-gate/usr/src/uts/common/vm/kpm.h (revision 2d6eb4a5e0a47d30189497241345dc5466bb68ab)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_VM_KPM_H
28 #define	_VM_KPM_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 #ifdef	_LP64
35 #define	SEGKPM_SUPPORT
36 #endif
37 
38 #ifndef	_ASM
39 
40 /*
41  * Machine independent per instance kpm mapping structure
42  */
43 struct kpme {
44 	struct kpme	*kpe_next;
45 	struct kpme	*kpe_prev;
46 	struct page	*kpe_page;	/* back pointer to (start) page */
47 };
48 
49 #endif	/* _ASM */
50 
51 #ifdef	__cplusplus
52 }
53 #endif
54 
55 #endif	/* _VM_KPM_H */
56