usr/src/uts/common/os/mem_config_stubs.c

   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 2010 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #include <sys/types.h>
  27 #include <sys/cmn_err.h>
  28 #include <sys/errno.h>
  29 #include <sys/debug.h>
  30 #include <vm/page.h>
  31 #include <sys/mem_config.h>
  32 #include <sys/mem_cage.h>
  33
  34 /* These should be in a platform stubs file. */
  35
  36 int kcage_on;
  37 kthread_id_t kcage_cageout_thread;
  38 pgcnt_t kcage_freemem;
  39 pgcnt_t kcage_throttlefree;
  40 pgcnt_t kcage_minfree;
  41 pgcnt_t kcage_desfree;
  42 pgcnt_t kcage_needfree;
  43 pgcnt_t kcage_lotsfree = 1;
  44
  45 #if !defined(__x86) || defined(__xpv)
  46 /*ARGSUSED*/
  47 int
  48 kphysm_setup_func_register(kphysm_setup_vector_t *vec, void *arg)
  49 {
  50         return (0);
  51 }
  52
  53 /*ARGSUSED*/
  54 void
  55 kphysm_setup_func_unregister(kphysm_setup_vector_t *vec, void *arg)
  56 {
  57 }
  58 #endif
  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 }