xref: /onnv-gate/usr/src/uts/common/sys/tuneable.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate #ifndef _SYS_TUNEABLE_H
27*0Sstevel@tonic-gate #define	_SYS_TUNEABLE_H
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 11.7 */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #ifdef	__cplusplus
32*0Sstevel@tonic-gate extern "C" {
33*0Sstevel@tonic-gate #endif
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate typedef struct tune {
36*0Sstevel@tonic-gate 	int	t_gpgslo;	/* If freemem < t_getpgslow, then start	*/
37*0Sstevel@tonic-gate 				/* to steal pages from processes.	*/
38*0Sstevel@tonic-gate 	int	t_pad[7];	/* Padding for driver compatibility.    */
39*0Sstevel@tonic-gate 	int	t_fsflushr;	/* The rate at which fsflush is run in	*/
40*0Sstevel@tonic-gate 				/* seconds.				*/
41*0Sstevel@tonic-gate 	int	t_minarmem;	/* The minimum available resident (not	*/
42*0Sstevel@tonic-gate 				/* swappable) memory to maintain in 	*/
43*0Sstevel@tonic-gate 				/* order to avoid deadlock.  In pages.	*/
44*0Sstevel@tonic-gate 	int	t_minasmem;	/* The minimum available swappable	*/
45*0Sstevel@tonic-gate 				/* memory to maintain in order to avoid	*/
46*0Sstevel@tonic-gate 				/* deadlock.  In pages.			*/
47*0Sstevel@tonic-gate 	int	t_flckrec;	/* max number of active frlocks */
48*0Sstevel@tonic-gate } tune_t;
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate extern tune_t	tune;
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate /*
53*0Sstevel@tonic-gate  * The following is the default value for t_gpgsmsk.  It cannot be
54*0Sstevel@tonic-gate  * defined in /etc/master or /stand/system due to limitations of the
55*0Sstevel@tonic-gate  * config program.
56*0Sstevel@tonic-gate  */
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate #define	GETPGSMSK	PG_REF|PG_NDREF
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate #ifdef	__cplusplus
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate #endif
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate #endif	/* _SYS_TUNEABLE_H */
65