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      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 (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     27 
     28 #include <sys/types.h>
     29 #include <sys/cmn_err.h>
     30 #include <sys/errno.h>
     31 #include <sys/debug.h>
     32 #include <vm/page.h>
     33 #include <sys/mem_config.h>
     34 #include <sys/mem_cage.h>
     35 
     36 /* These should be in a platform stubs file. */
     37 
     38 int kcage_on;
     39 kthread_id_t kcage_cageout_thread;
     40 pgcnt_t kcage_freemem;
     41 pgcnt_t kcage_throttlefree;
     42 pgcnt_t kcage_minfree;
     43 pgcnt_t kcage_desfree;
     44 pgcnt_t kcage_needfree;
     45 pgcnt_t	kcage_lotsfree = 1;
     46 
     47 /*ARGSUSED*/
     48 int
     49 kphysm_setup_func_register(kphysm_setup_vector_t *vec, void *arg)
     50 {
     51 	return (0);
     52 }
     53 
     54 /*ARGSUSED*/
     55 void
     56 kphysm_setup_func_unregister(kphysm_setup_vector_t *vec, void *arg)
     57 {
     58 }
     59 
     60 /*ARGSUSED*/
     61 int
     62 kcage_create_throttle(pgcnt_t npages, int flags)
     63 {
     64 	return (0);
     65 }
     66 
     67 void
     68 kcage_cageout_init(void)
     69 {
     70 }
     71 
     72 void
     73 kcage_cageout_wakeup()
     74 {
     75 }
     76 
     77 void
     78 kcage_tick()
     79 {
     80 }
     81 
     82 /*ARGSUSED*/
     83 int
     84 kcage_current_pfn(pfn_t *pfn)
     85 {
     86 	return (0);
     87 }
     88